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2000 50000000 100000000 1 600000 2000000 4000000 788000 36 9 30 36 2000000 3869000 4889000 300000 100000 200000 100000 P3M P3M P1Y P1Y 2 1 <div> <div style="margin-left:0%;margin-right:0%;"></div><div style="margin-left:0%;margin-right:0%;">   7) Other Accrued Liabilities   Other accrued liabilities as of September 30, 2015 and December 31, 2014 consisted of the following (in thousands):   <div style="width:100%;"><table cellpadding="0" cellspacing="0" style="border-collapse:collapse;width: 86.00%;margin-left:0pt;"> <tr> <td valign="bottom" style="width:65.40%;padding:0pt;">   </td> <td valign="bottom" style="width:02.88%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:13.84%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;"> September 30, 2015 </td> <td valign="bottom" style="width:02.88%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:13.84%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;"> December 31, 2014 </td> <td valign="bottom" style="width:01.16%;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:65.40%;padding:0pt;">   </td> <td valign="bottom" style="width:02.88%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:13.84%;padding:0pt;">   </td> <td valign="bottom" style="width:02.88%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:13.84%;padding:0pt;">   </td> <td valign="bottom" style="width:01.16%;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:65.40%;background-color: #CCEEFF;padding:0pt;"> Compensation and benefits </td> <td valign="bottom" style="width:02.88%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.30%;background-color: #CCEEFF;padding:0pt;"> $ </td> <td valign="bottom" style="width:12.54%;background-color: #CCEEFF;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>2,605  </td> <td valign="bottom" style="width:02.88%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.30%;background-color: #CCEEFF;padding:0pt;"> $ </td> <td valign="bottom" style="width:12.54%;background-color: #CCEEFF;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>3,852  </td> <td valign="bottom" style="width:01.16%;background-color: #CCEEFF;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:65.40%;padding:0pt;"> Professional fees </td> <td valign="bottom" style="width:02.88%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:13.84%;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>1,344  </td> <td valign="bottom" style="width:02.88%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:13.84%;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>1,285  </td> <td valign="bottom" style="width:01.16%;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:65.40%;background-color: #CCEEFF;padding:0pt;"> Other </td> <td valign="bottom" style="width:02.88%;background-color: #CCEEFF;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:13.84%;background-color: #CCEEFF;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>1,098  </td> <td valign="bottom" style="width:02.88%;background-color: #CCEEFF;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:13.84%;background-color: #CCEEFF;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>1,040  </td> <td valign="bottom" style="width:01.16%;background-color: #CCEEFF;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:65.40%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:02.88%;background-color: #CCEEFF;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:13.84%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:02.88%;background-color: #CCEEFF;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:13.84%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.16%;background-color: #CCEEFF;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:65.40%;padding:0pt;">   </td> <td valign="bottom" style="width:02.88%;padding:0pt;">   </td> <td valign="bottom" style="width:01.30%;padding:0pt;"> $ </td> <td valign="bottom" style="width:12.54%;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>5,047  </td> <td valign="bottom" style="width:02.88%;padding:0pt;">   </td> <td valign="bottom" style="width:01.30%;padding:0pt;"> $ </td> <td valign="bottom" style="width:12.54%;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>6,177  </td> <td valign="bottom" style="width:01.16%;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:65.40%;padding:0pt;">   </td> <td valign="bottom" style="width:02.88%;padding:0pt;">   </td> <td valign="bottom" style="width:01.30%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:2pt double #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;">   </td> <td valign="bottom" style="width:12.54%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:2pt double #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;">   </td> <td valign="bottom" style="width:02.88%;padding:0pt;">   </td> <td valign="bottom" style="width:01.30%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:2pt double #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;">   </td> <td valign="bottom" style="width:12.54%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:2pt double #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;">   </td> <td valign="bottom" style="width:01.16%;padding:0pt;">   </td> </tr> </table></div>   </div><div style="margin-left:0%;margin-right:0%;"> </div><div style="margin-left:0%;margin-right:0%;"></div> </div> 0.03 0.03 4992000 12700000 P10D <div> <div style="margin-left:0%;margin-right:0%;"></div><div style="margin-left:0%;margin-right:0%;">   Other accrued liabilities as of September 30, 2015 and December 31, 2014 consisted of the following (in thousands):   <div style="width:100%;"><table cellpadding="0" cellspacing="0" style="border-collapse:collapse;width: 86.00%;margin-left:0pt;"> <tr> <td valign="bottom" style="width:65.40%;padding:0pt;">   </td> <td valign="bottom" style="width:02.88%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:13.84%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;"> September 30, 2015 </td> <td valign="bottom" style="width:02.88%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:13.84%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;"> December 31, 2014 </td> <td valign="bottom" style="width:01.16%;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:65.40%;padding:0pt;">   </td> <td valign="bottom" style="width:02.88%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:13.84%;padding:0pt;">   </td> <td valign="bottom" style="width:02.88%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:13.84%;padding:0pt;">   </td> <td valign="bottom" style="width:01.16%;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:65.40%;background-color: #CCEEFF;padding:0pt;"> Compensation and benefits </td> <td valign="bottom" style="width:02.88%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.30%;background-color: #CCEEFF;padding:0pt;"> $ </td> <td valign="bottom" style="width:12.54%;background-color: #CCEEFF;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>2,605  </td> <td valign="bottom" style="width:02.88%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.30%;background-color: #CCEEFF;padding:0pt;"> $ </td> <td valign="bottom" style="width:12.54%;background-color: #CCEEFF;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>3,852  </td> <td valign="bottom" style="width:01.16%;background-color: #CCEEFF;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:65.40%;padding:0pt;"> Professional fees </td> <td valign="bottom" style="width:02.88%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:13.84%;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>1,344  </td> <td valign="bottom" style="width:02.88%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:13.84%;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>1,285  </td> <td valign="bottom" style="width:01.16%;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:65.40%;background-color: #CCEEFF;padding:0pt;"> Other </td> <td valign="bottom" style="width:02.88%;background-color: #CCEEFF;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:13.84%;background-color: #CCEEFF;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>1,098  </td> <td valign="bottom" style="width:02.88%;background-color: #CCEEFF;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:13.84%;background-color: #CCEEFF;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>1,040  </td> <td valign="bottom" style="width:01.16%;background-color: #CCEEFF;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:65.40%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:02.88%;background-color: #CCEEFF;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:13.84%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:02.88%;background-color: #CCEEFF;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:13.84%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.16%;background-color: #CCEEFF;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:65.40%;padding:0pt;">   </td> <td valign="bottom" style="width:02.88%;padding:0pt;">   </td> <td valign="bottom" style="width:01.30%;padding:0pt;"> $ </td> <td valign="bottom" style="width:12.54%;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>5,047  </td> <td valign="bottom" style="width:02.88%;padding:0pt;">   </td> <td valign="bottom" style="width:01.30%;padding:0pt;"> $ </td> <td valign="bottom" style="width:12.54%;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>6,177  </td> <td valign="bottom" style="width:01.16%;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:65.40%;padding:0pt;">   </td> <td valign="bottom" style="width:02.88%;padding:0pt;">   </td> <td valign="bottom" style="width:01.30%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:2pt double #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;">   </td> <td valign="bottom" style="width:12.54%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:2pt double #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;">   </td> <td valign="bottom" style="width:02.88%;padding:0pt;">   </td> <td valign="bottom" style="width:01.30%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:2pt double #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;">   </td> <td valign="bottom" style="width:12.54%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:2pt double #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;">   </td> <td valign="bottom" style="width:01.16%;padding:0pt;">   </td> </tr> </table></div>   </div><div style="margin-left:0%;margin-right:0%;"> </div><div style="margin-left:0%;margin-right:0%;"></div> </div> <div> <div style="margin-left:0%;margin-right:0%;"></div><div style="margin-left:0%;margin-right:0%;">   Stock-based compensation expense during the three months and nine months ended September 30, 2015 and 2014 was as follows (in thousands):   <div style="width:100%;"><table cellpadding="0" cellspacing="0" style="border-collapse:collapse;width: 100.00%;margin-left:0pt;"> <tr> <td valign="bottom" style="width:41.00%;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td colspan="5" valign="bottom" style="width:26.50%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;"> Three Months Ended September 30, </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td colspan="5" valign="bottom" style="width:26.50%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;"> Nine Months Ended September 30, </td> <td valign="bottom" style="width:01.00%;padding:0pt;">   </td> </tr> <tr> <td valign="bottom" style="width:41.00%;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:12.00%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;"> 2015 </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:12.00%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;"> 2014 </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:12.00%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;"> 2015 </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:12.00%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;"> 2014 </td> <td valign="bottom" style="width:01.00%;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:41.00%;background-color: #CCEEFF;padding:0pt;"> Stock-based compensation expense by type of award: </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:12.00%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:12.00%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:12.00%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:12.00%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.00%;background-color: #CCEEFF;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:41.00%;padding:0pt;"> Employee stock options </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;padding:0pt;"> $ </td> <td valign="bottom" style="width:10.88%;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>1,048  </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;padding:0pt;"> $ </td> <td valign="bottom" style="width:10.88%;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>1,486  </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;padding:0pt;"> $ </td> <td valign="bottom" style="width:10.88%;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>3,601  </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;padding:0pt;"> $ </td> <td valign="bottom" style="width:10.88%;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>5,486  </td> <td valign="bottom" style="width:01.00%;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:41.00%;background-color: #CCEEFF;padding:0pt;"> Restricted stock </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:12.00%;background-color: #CCEEFF;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>120  </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:12.00%;background-color: #CCEEFF;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>80  </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:12.00%;background-color: #CCEEFF;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>120  </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:12.00%;background-color: #CCEEFF;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>179  </td> <td valign="bottom" style="width:01.00%;background-color: #CCEEFF;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:41.00%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:12.00%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:12.00%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:12.00%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:12.00%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.00%;background-color: #CCEEFF;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:41.00%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:12.00%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:12.00%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:12.00%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:12.00%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.00%;background-color: #CCEEFF;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:41.00%;padding:0pt;"> Total stock-based compensation expense </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;padding:0pt;"> $ </td> <td valign="bottom" style="width:10.88%;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>1,168  </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;padding:0pt;"> $ </td> <td valign="bottom" style="width:10.88%;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>1,566  </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;padding:0pt;"> $ </td> <td valign="bottom" style="width:10.88%;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>3,721  </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;padding:0pt;"> $ </td> <td valign="bottom" style="width:10.88%;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>5,665  </td> <td valign="bottom" style="width:01.00%;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:41.00%;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;padding:0pt;">   </td> <td valign="bottom" style="width:10.88%;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;padding:0pt;">   </td> <td valign="bottom" style="width:10.88%;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;padding:0pt;">   </td> <td valign="bottom" style="width:10.88%;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;padding:0pt;">   </td> <td valign="bottom" style="width:10.88%;padding:0pt;">   </td> <td valign="bottom" style="width:01.00%;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:41.00%;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:2pt double #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;">   </td> <td valign="bottom" style="width:10.88%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:2pt double #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:2pt double #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;">   </td> <td valign="bottom" style="width:10.88%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:2pt double #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:2pt double #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;">   </td> <td valign="bottom" style="width:10.88%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:2pt double #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:2pt double #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;">   </td> <td valign="bottom" style="width:10.88%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:2pt double #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;">   </td> <td valign="bottom" style="width:01.00%;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:41.00%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:12.00%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:12.00%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:12.00%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:12.00%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.00%;background-color: #CCEEFF;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:41.00%;padding:0pt;"> Effect of stock-based compensation expense by line item: </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:12.00%;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:12.00%;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:12.00%;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:12.00%;padding:0pt;">   </td> <td valign="bottom" style="width:01.00%;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:41.00%;background-color: #CCEEFF;padding:0pt;"> Research and development </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;background-color: #CCEEFF;padding:0pt;"> $ </td> <td valign="bottom" style="width:10.88%;background-color: #CCEEFF;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>683  </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;background-color: #CCEEFF;padding:0pt;"> $ </td> <td valign="bottom" style="width:10.88%;background-color: #CCEEFF;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>1,066  </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;background-color: #CCEEFF;padding:0pt;"> $ </td> <td valign="bottom" style="width:10.88%;background-color: #CCEEFF;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>2,548  </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;background-color: #CCEEFF;padding:0pt;"> $ </td> <td valign="bottom" style="width:10.88%;background-color: #CCEEFF;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>3,329  </td> <td valign="bottom" style="width:01.00%;background-color: #CCEEFF;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:41.00%;padding:0pt;"> General and administrative </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:12.00%;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>485  </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:12.00%;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>500  </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:12.00%;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>1,173  </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:12.00%;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>2,336  </td> <td valign="bottom" style="width:01.00%;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:41.00%;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:12.00%;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:12.00%;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:12.00%;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:12.00%;padding:0pt;">   </td> <td valign="bottom" style="width:01.00%;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:41.00%;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:12.00%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:12.00%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:12.00%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:12.00%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;">   </td> <td valign="bottom" style="width:01.00%;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:41.00%;background-color: #CCEEFF;padding:0pt;"> Total stock-based compensation expense included in net loss </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;background-color: #CCEEFF;padding:0pt;"> $ </td> <td valign="bottom" style="width:10.88%;background-color: #CCEEFF;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>1,168  </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;background-color: #CCEEFF;padding:0pt;"> $ </td> <td valign="bottom" style="width:10.88%;background-color: #CCEEFF;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>1,566  </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;background-color: #CCEEFF;padding:0pt;"> $ </td> <td valign="bottom" style="width:10.88%;background-color: #CCEEFF;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>3,721  </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;background-color: #CCEEFF;padding:0pt;"> $ </td> <td valign="bottom" style="width:10.86%;background-color: #CCEEFF;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>5,665  </td> <td valign="bottom" style="width:01.00%;background-color: #CCEEFF;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:41.00%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:10.88%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:10.88%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:10.88%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:10.86%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.00%;background-color: #CCEEFF;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:41.00%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:2pt double #000000 ;border-right:1pt none #D9D9D9 ;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:10.88%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:2pt double #000000 ;border-right:1pt none #D9D9D9 ;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:2pt double #000000 ;border-right:1pt none #D9D9D9 ;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:10.88%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:2pt double #000000 ;border-right:1pt none #D9D9D9 ;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:2pt double #000000 ;border-right:1pt none #D9D9D9 ;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:10.88%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:2pt double #000000 ;border-right:1pt none #D9D9D9 ;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:2pt double #000000 ;border-right:1pt none #D9D9D9 ;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:10.86%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:2pt double #000000 ;border-right:1pt none #D9D9D9 ;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.00%;background-color: #CCEEFF;padding:0pt;">   </td> </tr> </table></div>   </div><div style="margin-left:0%;margin-right:0%;"> </div><div style="margin-left:0%;margin-right:0%;"></div> </div> 1300000 0.05 4.05 2.19

3139000

1424000

1285000

1344000

20483000

20986000

4000

11000

702694000

756053000

5665000

5486000

2336000

3329000

179000

1566000

1486000

500000

1066000

80000

3721000

3601000

1173000

2548000

120000

1168000

1048000

485000

683000

120000

8262468

529272

9587239

452556

100675000

91014000

99346000

90227000

51662000

51666000

42704000

42715000

12000

13000

8000

2000

51666000

42715000

42000

43000

11000

48490000

68478000

46024000

45537000

46024000

45004000

1020000

45004000

1020000

45537000

42038000

3499000

42038000

3499000

97686000

97690000

88241000

88252000

0.0001

200000000

109120670

137788584

109120670

137788584

11000

14000

-65815000

-19958000

-58128000

-17611000

0.0975

0.1335

108000

504000

200000

503000

200000

<div> <div style="margin-left:0%;margin-right:0%;"></div><div style="margin-left:0%;margin-right:0%;">   (6) Stock-Based Compensation   The Company’s 2006 Stock Plan provided for the grant of incentive stock options, non-statutory stock options and non-vested restricted stock to employees, officers, directors and consultants of the Company. In January 2015, the number of shares of common stock reserved for issuance under the 2006 Stock Plan was increased from 10,300,000 to 11,600,000 pursuant to an “evergreen” provision, which provides for an annual increase based on the lesser of 1,300,000 shares, 5% of the Company’s then outstanding shares of common stock, or such other amount as the board of directors may determine. This increase was approved by the board of directors in December 2014. In June 2015, upon obtaining stockholder approval at its annual shareholder meeting, the Company implemented its new 2015 Stock Plan and reserved 8,741,000 shares of common stock for future issuance. In June 2015, the Company terminated its 2006 Stock Plan. The administration of these stock plans is under the general supervision of the compensation committee of the board of directors. The exercise price of the stock options is determined by the compensation committee of the board of directors, provided that incentive stock options are granted with an exercise price not less than fair market value of the common stock on the date of grant and expire no later than ten years from the date the option is granted. Options generally vest over four years. As of September 30, 2015, the Company had options outstanding to purchase 9,587,239 shares of its common stock, which includes options outstanding under its 2001 Stock Plan and 2006 Stock Plan that were terminated in March 2006 and June 2015, respectively. As of September 30, 2015, 8,608,133 shares were available for future issuance.   The following table summarizes stock option activity during the nine months ended September 30, 2015:   <div style="width:100%;"><table cellpadding="0" cellspacing="0" style="border-collapse:collapse;width: 86.00%;margin-left:0pt;"> <tr> <td valign="bottom" style="width:62.22%;padding:0pt;">   </td> <td valign="bottom" style="width:02.88%;padding:0pt;">   </td> <td valign="bottom" style="width:13.84%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;"> Shares </td> <td valign="bottom" style="width:02.88%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:17.00%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;"> Weighted average exercise price per share </td> <td valign="bottom" style="width:01.16%;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:62.22%;background-color: #CCEEFF;padding:0pt;"> Outstanding at January 1, 2015 </td> <td valign="bottom" style="width:02.88%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:13.84%;background-color: #CCEEFF;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>8,829,343 </td> <td valign="bottom" style="width:02.88%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.30%;background-color: #CCEEFF;padding:0pt;"> $ </td> <td valign="bottom" style="width:15.70%;background-color: #CCEEFF;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>6.17 </td> <td valign="bottom" style="width:01.16%;background-color: #CCEEFF;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:62.22%;padding:0pt;"> Options granted </td> <td valign="bottom" style="width:02.88%;padding:0pt;">   </td> <td valign="bottom" style="width:13.84%;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>3,102,486 </td> <td valign="bottom" style="width:02.88%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:17.00%;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>2.31 </td> <td valign="bottom" style="width:01.16%;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:62.22%;background-color: #CCEEFF;padding:0pt;"> Options exercised </td> <td valign="bottom" style="width:02.88%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:13.84%;background-color: #CCEEFF;padding:0pt;"> — </td> <td valign="bottom" style="width:02.88%;background-color: #CCEEFF;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:17.00%;background-color: #CCEEFF;padding:0pt;"> — </td> <td valign="bottom" style="width:01.16%;background-color: #CCEEFF;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:62.22%;padding:0pt;"> Options cancelled </td> <td valign="bottom" style="width:02.88%;padding:0pt;">   </td> <td valign="bottom" style="width:13.84%;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>(2,344,590 </td> <td valign="bottom" style="width:02.88%;"> ) </td> <td colspan="2" valign="bottom" style="width:17.00%;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>5.49 </td> <td valign="bottom" style="width:01.16%;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:62.22%;padding:0pt;">   </td> <td valign="bottom" style="width:02.88%;padding:0pt;">   </td> <td valign="bottom" style="width:13.84%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;">   </td> <td valign="bottom" style="width:02.88%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:17.00%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;">   </td> <td valign="bottom" style="width:01.16%;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:62.22%;background-color: #CCEEFF;padding:0pt;"> Outstanding at September 30, 2015 </td> <td valign="bottom" style="width:02.88%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:13.84%;background-color: #CCEEFF;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>9,587,239 </td> <td valign="bottom" style="width:02.88%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.30%;background-color: #CCEEFF;padding:0pt;"> $ </td> <td valign="bottom" style="width:15.70%;background-color: #CCEEFF;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>5.08 </td> <td valign="bottom" style="width:01.16%;background-color: #CCEEFF;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:62.22%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:02.88%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:13.84%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:2pt double #000000 ;border-right:1pt none #D9D9D9 ;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:02.88%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.30%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:2pt double #000000 ;border-right:1pt none #D9D9D9 ;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:15.70%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:2pt double #000000 ;border-right:1pt none #D9D9D9 ;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.16%;background-color: #CCEEFF;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:62.22%;padding:0pt;"> Exercisable at September 30, 2015 </td> <td valign="bottom" style="width:02.88%;padding:0pt;">   </td> <td valign="bottom" style="width:13.84%;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>5,523,040 </td> <td valign="bottom" style="width:02.88%;padding:0pt;">   </td> <td valign="bottom" style="width:01.30%;padding:0pt;"> $ </td> <td valign="bottom" style="width:15.70%;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>6.31 </td> <td valign="bottom" style="width:01.16%;padding:0pt;">   </td> </tr> </table></div>   The total cash received by the Company as a result of stock option exercises during the nine months ended September 30, 2015 and 2014 was $0 and $0.8 million, respectively. The weighted-average grant date fair values of options granted during the three months ended September 30, 2015 and 2014 were $1.34 and $3.26, respectively, and during the nine months ended September 30, 2015 and 2014 were $1.79 and $4.44, respectively.   Non-Vested (“Restricted”) Stock Awards with Service Conditions   The Company’s share-based compensation plans provide for awards of restricted shares of common stock to employees, officers, directors and consultants to the Company. Restricted stock awards are subject to forfeiture if employment or service terminates during the prescribed retention period. Restricted shares vest over the service period. The total fair value of restricted stock that vested in each of the nine months ended September 30, 2015 and 2014 was $0.1 million.   The following table summarizes unvested restricted share activity during the nine months ended September 30, 2015:   <div style="width:100%;"><table cellpadding="0" cellspacing="0" style="border-collapse:collapse;width: 86.00%;margin-left:0pt;"> <tr> <td valign="bottom" style="width:65.40%;padding:0pt;">   </td> <td valign="bottom" style="width:02.88%;padding:0pt;">   </td> <td valign="bottom" style="width:13.84%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;"> Shares </td> <td valign="bottom" style="width:02.88%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:13.84%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;"> Weighted average grant date fair value per share </td> <td valign="bottom" style="width:01.16%;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:65.40%;background-color: #CCEEFF;padding:0pt;"> Outstanding at January 1, 2015 </td> <td valign="bottom" style="width:02.88%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:13.84%;background-color: #CCEEFF;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>744,514 </td> <td valign="bottom" style="width:02.88%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.30%;background-color: #CCEEFF;padding:0pt;"> $ </td> <td valign="bottom" style="width:12.54%;background-color: #CCEEFF;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>3.65 </td> <td valign="bottom" style="width:01.16%;background-color: #CCEEFF;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:65.40%;padding:0pt;"> Vested </td> <td valign="bottom" style="width:02.88%;padding:0pt;">   </td> <td valign="bottom" style="width:13.84%;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>(45,361 </td> <td valign="bottom" style="width:02.88%;"> ) </td> <td colspan="2" valign="bottom" style="width:13.84%;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>3.02 </td> <td valign="bottom" style="width:01.16%;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:65.40%;background-color: #CCEEFF;padding:0pt;"> Granted </td> <td valign="bottom" style="width:02.88%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:13.84%;background-color: #CCEEFF;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>253,403 </td> <td valign="bottom" style="width:02.88%;background-color: #CCEEFF;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:13.84%;background-color: #CCEEFF;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>2.32 </td> <td valign="bottom" style="width:01.16%;background-color: #CCEEFF;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:65.40%;padding:0pt;"> Forfeited </td> <td valign="bottom" style="width:02.88%;padding:0pt;">   </td> <td valign="bottom" style="width:13.84%;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>(500,000 </td> <td valign="bottom" style="width:02.88%;"> ) </td> <td colspan="2" valign="bottom" style="width:13.84%;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>4.00 </td> <td valign="bottom" style="width:01.16%;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:65.40%;padding:0pt;">   </td> <td valign="bottom" style="width:02.88%;padding:0pt;">   </td> <td valign="bottom" style="width:13.84%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;">   </td> <td valign="bottom" style="width:02.88%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:13.84%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;">   </td> <td valign="bottom" style="width:01.16%;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:65.40%;background-color: #CCEEFF;padding:0pt;"> Outstanding at September 30, 2015 </td> <td valign="bottom" style="width:02.88%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:13.84%;background-color: #CCEEFF;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>452,556 </td> <td valign="bottom" style="width:02.88%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.30%;background-color: #CCEEFF;padding:0pt;"> $ </td> <td valign="bottom" style="width:12.54%;background-color: #CCEEFF;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>2.59 </td> <td valign="bottom" style="width:01.16%;background-color: #CCEEFF;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:65.40%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:02.88%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:13.84%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:2pt double #000000 ;border-right:1pt none #D9D9D9 ;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:02.88%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.30%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:2pt double #000000 ;border-right:1pt none #D9D9D9 ;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:12.54%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:2pt double #000000 ;border-right:1pt none #D9D9D9 ;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.16%;background-color: #CCEEFF;padding:0pt;">   </td> </tr> </table></div>   Stock-Based Compensation Expense   For the three months and nine months ended September 30, 2015 and 2014, the fair value of each employee stock option award was estimated on the date of grant based on the fair value method using the Black-Scholes option pricing valuation model with the following weighted average assumptions:   <div style="width:100%;"><table cellpadding="0" cellspacing="0" style="border-collapse:collapse;width: 100.00%;margin-left:0pt;"> <tr> <td valign="bottom" style="width:41.00%;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td colspan="3" valign="bottom" style="width:26.50%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;"> Three Months Ended September 30, </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td colspan="3" valign="bottom" style="width:26.50%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;"> Nine Months Ended September 30, </td> <td valign="bottom" style="width:01.00%;padding:0pt;">   </td> </tr> <tr> <td valign="bottom" style="width:41.00%;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td valign="bottom" style="width:12.00%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;"> 2015 </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td valign="bottom" style="width:12.00%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;"> 2014 </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td valign="bottom" style="width:12.00%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;"> 2015 </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td valign="bottom" style="width:12.00%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;"> 2014 </td> <td valign="bottom" style="width:01.00%;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:41.00%;background-color: #CCEEFF;padding:0pt;"> Risk-free interest rate </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:12.00%;background-color: #CCEEFF;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>1.83  </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;"> % </td> <td valign="bottom" style="width:12.00%;background-color: #CCEEFF;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>1.96  </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;"> % </td> <td valign="bottom" style="width:12.00%;background-color: #CCEEFF;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>1.81  </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;"> % </td> <td valign="bottom" style="width:12.00%;background-color: #CCEEFF;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>1.88  </td> <td valign="bottom" style="width:01.00%;background-color: #CCEEFF;padding:0pt;"> % </td> </tr> <tr> <td valign="top" style="width:41.00%;padding:0pt;"> Expected life in years </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td valign="bottom" style="width:12.00%;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>6.25  </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td valign="bottom" style="width:12.00%;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>6.25  </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td valign="bottom" style="width:12.00%;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>6.24  </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td valign="bottom" style="width:12.00%;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>6.25  </td> <td valign="bottom" style="width:01.00%;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:41.00%;background-color: #CCEEFF;padding:0pt;"> Volatility </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:12.00%;background-color: #CCEEFF;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>72  </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;"> % </td> <td valign="bottom" style="width:12.00%;background-color: #CCEEFF;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>104  </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;"> % </td> <td valign="bottom" style="width:12.00%;background-color: #CCEEFF;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>95  </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;"> % </td> <td valign="bottom" style="width:12.00%;background-color: #CCEEFF;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>104  </td> <td valign="bottom" style="width:01.00%;background-color: #CCEEFF;padding:0pt;"> % </td> </tr> <tr> <td valign="top" style="width:41.00%;padding:0pt;"> Expected dividend yield </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td valign="bottom" style="width:12.00%;padding:0pt;"> — </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td valign="bottom" style="width:12.00%;padding:0pt;"> — </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td valign="bottom" style="width:12.00%;padding:0pt;"> — </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td valign="bottom" style="width:12.00%;padding:0pt;"> — </td> <td valign="bottom" style="width:01.00%;padding:0pt;">   </td> </tr> </table></div>   Stock-based compensation expense during the three months and nine months ended September 30, 2015 and 2014 was as follows (in thousands):   <div style="width:100%;"><table cellpadding="0" cellspacing="0" style="border-collapse:collapse;width: 100.00%;margin-left:0pt;"> <tr> <td valign="bottom" style="width:41.00%;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td colspan="5" valign="bottom" style="width:26.50%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;"> Three Months Ended September 30, </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td colspan="5" valign="bottom" style="width:26.50%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;"> Nine Months Ended September 30, </td> <td valign="bottom" style="width:01.00%;padding:0pt;">   </td> </tr> <tr> <td valign="bottom" style="width:41.00%;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:12.00%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;"> 2015 </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:12.00%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;"> 2014 </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:12.00%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;"> 2015 </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:12.00%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;"> 2014 </td> <td valign="bottom" style="width:01.00%;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:41.00%;background-color: #CCEEFF;padding:0pt;"> Stock-based compensation expense by type of award: </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:12.00%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:12.00%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:12.00%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:12.00%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.00%;background-color: #CCEEFF;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:41.00%;padding:0pt;"> Employee stock options </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;padding:0pt;"> $ </td> <td valign="bottom" style="width:10.88%;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>1,048  </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;padding:0pt;"> $ </td> <td valign="bottom" style="width:10.88%;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>1,486  </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;padding:0pt;"> $ </td> <td valign="bottom" style="width:10.88%;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>3,601  </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;padding:0pt;"> $ </td> <td valign="bottom" style="width:10.88%;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>5,486  </td> <td valign="bottom" style="width:01.00%;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:41.00%;background-color: #CCEEFF;padding:0pt;"> Restricted stock </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:12.00%;background-color: #CCEEFF;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>120  </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:12.00%;background-color: #CCEEFF;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>80  </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:12.00%;background-color: #CCEEFF;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>120  </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:12.00%;background-color: #CCEEFF;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>179  </td> <td valign="bottom" style="width:01.00%;background-color: #CCEEFF;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:41.00%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:12.00%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:12.00%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:12.00%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:12.00%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.00%;background-color: #CCEEFF;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:41.00%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:12.00%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:12.00%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:12.00%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:12.00%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.00%;background-color: #CCEEFF;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:41.00%;padding:0pt;"> Total stock-based compensation expense </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;padding:0pt;"> $ </td> <td valign="bottom" style="width:10.88%;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>1,168  </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;padding:0pt;"> $ </td> <td valign="bottom" style="width:10.88%;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>1,566  </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;padding:0pt;"> $ </td> <td valign="bottom" style="width:10.88%;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>3,721  </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;padding:0pt;"> $ </td> <td valign="bottom" style="width:10.88%;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>5,665  </td> <td valign="bottom" style="width:01.00%;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:41.00%;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;padding:0pt;">   </td> <td valign="bottom" style="width:10.88%;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;padding:0pt;">   </td> <td valign="bottom" style="width:10.88%;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;padding:0pt;">   </td> <td valign="bottom" style="width:10.88%;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;padding:0pt;">   </td> <td valign="bottom" style="width:10.88%;padding:0pt;">   </td> <td valign="bottom" style="width:01.00%;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:41.00%;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:2pt double #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;">   </td> <td valign="bottom" style="width:10.88%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:2pt double #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:2pt double #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;">   </td> <td valign="bottom" style="width:10.88%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:2pt double #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:2pt double #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;">   </td> <td valign="bottom" style="width:10.88%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:2pt double #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:2pt double #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;">   </td> <td valign="bottom" style="width:10.88%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:2pt double #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;">   </td> <td valign="bottom" style="width:01.00%;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:41.00%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:12.00%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:12.00%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:12.00%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:12.00%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.00%;background-color: #CCEEFF;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:41.00%;padding:0pt;"> Effect of stock-based compensation expense by line item: </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:12.00%;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:12.00%;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:12.00%;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:12.00%;padding:0pt;">   </td> <td valign="bottom" style="width:01.00%;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:41.00%;background-color: #CCEEFF;padding:0pt;"> Research and development </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;background-color: #CCEEFF;padding:0pt;"> $ </td> <td valign="bottom" style="width:10.88%;background-color: #CCEEFF;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>683  </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;background-color: #CCEEFF;padding:0pt;"> $ </td> <td valign="bottom" style="width:10.88%;background-color: #CCEEFF;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>1,066  </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;background-color: #CCEEFF;padding:0pt;"> $ </td> <td valign="bottom" style="width:10.88%;background-color: #CCEEFF;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>2,548  </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;background-color: #CCEEFF;padding:0pt;"> $ </td> <td valign="bottom" style="width:10.88%;background-color: #CCEEFF;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>3,329  </td> <td valign="bottom" style="width:01.00%;background-color: #CCEEFF;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:41.00%;padding:0pt;"> General and administrative </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:12.00%;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>485  </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:12.00%;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>500  </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:12.00%;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>1,173  </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:12.00%;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>2,336  </td> <td valign="bottom" style="width:01.00%;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:41.00%;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:12.00%;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:12.00%;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:12.00%;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:12.00%;padding:0pt;">   </td> <td valign="bottom" style="width:01.00%;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:41.00%;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:12.00%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:12.00%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:12.00%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:12.00%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;">   </td> <td valign="bottom" style="width:01.00%;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:41.00%;background-color: #CCEEFF;padding:0pt;"> Total stock-based compensation expense included in net loss </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;background-color: #CCEEFF;padding:0pt;"> $ </td> <td valign="bottom" style="width:10.88%;background-color: #CCEEFF;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>1,168  </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;background-color: #CCEEFF;padding:0pt;"> $ </td> <td valign="bottom" style="width:10.88%;background-color: #CCEEFF;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>1,566  </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;background-color: #CCEEFF;padding:0pt;"> $ </td> <td valign="bottom" style="width:10.88%;background-color: #CCEEFF;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>3,721  </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;background-color: #CCEEFF;padding:0pt;"> $ </td> <td valign="bottom" style="width:10.86%;background-color: #CCEEFF;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>5,665  </td> <td valign="bottom" style="width:01.00%;background-color: #CCEEFF;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:41.00%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:10.88%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:10.88%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:10.88%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:10.86%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.00%;background-color: #CCEEFF;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:41.00%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:2pt double #000000 ;border-right:1pt none #D9D9D9 ;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:10.88%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:2pt double #000000 ;border-right:1pt none #D9D9D9 ;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:2pt double #000000 ;border-right:1pt none #D9D9D9 ;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:10.88%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:2pt double #000000 ;border-right:1pt none #D9D9D9 ;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:2pt double #000000 ;border-right:1pt none #D9D9D9 ;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:10.88%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:2pt double #000000 ;border-right:1pt none #D9D9D9 ;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:2pt double #000000 ;border-right:1pt none #D9D9D9 ;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:10.86%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:2pt double #000000 ;border-right:1pt none #D9D9D9 ;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.00%;background-color: #CCEEFF;padding:0pt;">   </td> </tr> </table></div>   Unrecognized stock-based compensation expense as of September 30, 2015 was as follows (dollars in thousands):   <div style="width:100%;"><table cellpadding="0" cellspacing="0" style="border-collapse:collapse;width: 86.00%;margin-left:0pt;"> <tr> <td valign="bottom" style="width:65.40%;padding:0pt;">   </td> <td valign="bottom" style="width:02.88%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:13.84%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;"> Unrecognized stock compensation expense </td> <td valign="bottom" style="width:02.88%;padding:0pt;">   </td> <td valign="bottom" style="width:13.84%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;"> Weighted average remaining period (in years) </td> <td valign="bottom" style="width:01.16%;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:65.40%;background-color: #CCEEFF;padding:0pt;"> Stock options </td> <td valign="bottom" style="width:02.88%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.30%;background-color: #CCEEFF;padding:0pt;"> $ </td> <td valign="bottom" style="width:12.54%;background-color: #CCEEFF;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>8,687  </td> <td valign="bottom" style="width:02.88%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:13.84%;background-color: #CCEEFF;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>2.60  </td> <td valign="bottom" style="width:01.16%;background-color: #CCEEFF;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:65.40%;padding:0pt;"> Restricted stock </td> <td valign="bottom" style="width:02.88%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:13.84%;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>1,013  </td> <td valign="bottom" style="width:02.88%;padding:0pt;">   </td> <td valign="bottom" style="width:13.84%;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>2.11  </td> <td valign="bottom" style="width:01.16%;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:65.40%;padding:0pt;">   </td> <td valign="bottom" style="width:02.88%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:13.84%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;">   </td> <td valign="bottom" style="width:02.88%;padding:0pt;">   </td> <td valign="bottom" style="width:13.84%;padding:0pt;">   </td> <td valign="bottom" style="width:01.16%;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:65.40%;background-color: #CCEEFF;padding:0pt;"> Total </td> <td valign="bottom" style="width:02.88%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.30%;background-color: #CCEEFF;padding:0pt;"> $ </td> <td valign="bottom" style="width:12.54%;background-color: #CCEEFF;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>9,700  </td> <td valign="bottom" style="width:02.88%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:13.84%;background-color: #CCEEFF;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>2.55  </td> <td valign="bottom" style="width:01.16%;background-color: #CCEEFF;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:65.40%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:02.88%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.30%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:2pt double #000000 ;border-right:1pt none #D9D9D9 ;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:12.54%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:2pt double #000000 ;border-right:1pt none #D9D9D9 ;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:02.88%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:13.84%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.16%;background-color: #CCEEFF;padding:0pt;">   </td> </tr> </table></div>   </div><div style="margin-left:0%;margin-right:0%;"> </div><div style="margin-left:0%;margin-right:0%;"></div> </div>

-0.69

-0.19

-0.46

-0.13

3852000

2605000

800000

9700000

8687000

1013000

P2Y6M18D

P2Y7M6D

P2Y1M10D

11505000

3241000

10258000

2981000

-2147000

-1715000

-724000

-1130000

-85000

-79000

1153000

319000

1700000

48000

500000

13000

900000

34000

200000

10000

-1752000

-517000

-905000

-234000

1498000

805000

35539000

30644000

100675000

91014000

30889000

30633000

4650000

11000

2306000

4607000

19988000

-487000

87605000

42702000

-7907000

8918000

-59710000

-52107000

-65809000

-19966000

-58135000

-17628000

64057000

19449000

57230000

17394000

-64057000

-19449000

-57230000

-17394000

1040000

1098000

305000

226000

-6000

8000

7000

17000

2600000

2500000

68510000

92476000

85000

40000

0.0001

5000000

1656000

1975000

89795000

36941000

600000

2000000

12900000

22500000

41900000

7700000

60688000

101434000

21507000

3126000

12217000

1176000

4988000

21547000

3136000

12217000

1179000

5015000

1024000

561000

31000

7151000

6908000

52552000

16208000

46972000

14413000

-637573000

-695708000

<div> <div style="margin-left:0%;margin-right:0%;"></div><div style="margin-left:0%;margin-right:0%;"> <div style="width:100%;"><table cellpadding="0" cellspacing="0" style="border-collapse:collapse;width: 90.00%;margin-left:0pt;"> <tr> <td valign="bottom" style="width:66.66%;padding:0pt;">   </td> <td valign="bottom" style="width:02.78%;padding:0pt;">   </td> <td colspan="3" valign="bottom" style="width:29.44%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;"> September 30, </td> <td valign="bottom" style="width:01.12%;padding:0pt;">   </td> </tr> <tr> <td valign="bottom" style="width:66.66%;padding:0pt;">   </td> <td valign="bottom" style="width:02.78%;padding:0pt;">   </td> <td valign="bottom" style="width:13.34%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;"> 2015 </td> <td valign="bottom" style="width:02.78%;padding:0pt;">   </td> <td valign="bottom" style="width:13.34%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;"> 2014 </td> <td valign="bottom" style="width:01.12%;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:66.66%;background-color: #CCEEFF;padding:0pt;"> Common stock options </td> <td valign="bottom" style="width:02.78%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:13.34%;background-color: #CCEEFF;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>9,587,239  </td> <td valign="bottom" style="width:02.78%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:13.34%;background-color: #CCEEFF;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>8,262,468  </td> <td valign="bottom" style="width:01.12%;background-color: #CCEEFF;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:66.66%;padding:0pt;"> Unvested restricted common stock </td> <td valign="bottom" style="width:02.78%;padding:0pt;">   </td> <td valign="bottom" style="width:13.34%;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>452,556  </td> <td valign="bottom" style="width:02.78%;padding:0pt;">   </td> <td valign="bottom" style="width:13.34%;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>529,272  </td> <td valign="bottom" style="width:01.12%;padding:0pt;">   </td> </tr> </table></div>     </div><div style="margin-left:0%;margin-right:0%;"> </div><div style="margin-left:0%;margin-right:0%;"></div> </div>

<div> <div style="margin-left:0%;margin-right:0%;"></div><div style="margin-left:0%;margin-right:0%;">   A summary of cash, cash equivalents and available-for-sale marketable securities held by the Company as of September 30, 2015 and December 31, 2014 was as follows in thousands (see Note 2):   <div style="width:100%;"><table cellpadding="0" cellspacing="0" style="border-collapse:collapse;width: 100.00%;margin-left:0pt;"> <tr> <td valign="bottom" style="width:49.00%;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td colspan="11" valign="bottom" style="width:47.50%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;"> September 30, 2015 </td> <td valign="bottom" style="width:01.00%;padding:0pt;">   </td> </tr> <tr> <td valign="bottom" style="width:49.00%;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:10.00%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;"> Cost </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:10.00%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;"> Unrealized gains </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:10.00%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;"> Unrealized losses </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:10.00%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;"> Fair value </td> <td valign="bottom" style="width:01.00%;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:49.00%;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:10.00%;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:10.00%;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:10.00%;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:10.00%;padding:0pt;">   </td> <td valign="bottom" style="width:01.00%;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:49.00%;background-color: #CCEEFF;padding:0pt;"> Cash and cash equivalents: </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:10.00%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:10.00%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:10.00%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:10.00%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.00%;background-color: #CCEEFF;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:49.00%;padding:0pt;"> Cash and money market funds (Level 1) </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;padding:0pt;"> $ </td> <td valign="bottom" style="width:08.88%;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>42,038 </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;padding:0pt;"> $ </td> <td valign="bottom" style="width:08.88%;padding:0pt;"> — </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;padding:0pt;"> $ </td> <td valign="bottom" style="width:08.88%;padding:0pt;"> — </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;padding:0pt;"> $ </td> <td valign="bottom" style="width:08.88%;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>42,038 </td> <td valign="bottom" style="width:01.00%;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:49.00%;background-color: #CCEEFF;padding:0pt;"> Corporate debt securities due within 3 months of date of purchase (Level 2) </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:10.00%;background-color: #CCEEFF;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>3,499 </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:10.00%;background-color: #CCEEFF;padding:0pt;"> — </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:10.00%;background-color: #CCEEFF;padding:0pt;"> — </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:10.00%;background-color: #CCEEFF;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>3,499 </td> <td valign="bottom" style="width:01.00%;background-color: #CCEEFF;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:49.00%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:10.00%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:10.00%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:10.00%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:10.00%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.00%;background-color: #CCEEFF;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:49.00%;padding:0pt;"> Total cash and cash equivalents </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;padding:0pt;"> $ </td> <td valign="bottom" style="width:08.88%;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>45,537 </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;padding:0pt;"> $ </td> <td valign="bottom" style="width:08.88%;padding:0pt;"> — </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;padding:0pt;"> $ </td> <td valign="bottom" style="width:08.88%;padding:0pt;"> — </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;padding:0pt;"> $ </td> <td valign="bottom" style="width:08.88%;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>45,537 </td> <td valign="bottom" style="width:01.00%;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:49.00%;background-color: #CCEEFF;padding:0pt;"> Marketable securities: </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:10.00%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:10.00%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:10.00%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:10.00%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.00%;background-color: #CCEEFF;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:49.00%;padding:0pt;"> Corporate debt securities due within 1 year of date of purchase (Level 2) </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:10.00%;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>42,704 </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:10.00%;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>13 </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:10.00%;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>(2 </td> <td valign="bottom" style="width:02.50%;"> ) </td> <td colspan="2" valign="bottom" style="width:10.00%;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>42,715 </td> <td valign="bottom" style="width:01.00%;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:49.00%;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:10.00%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:10.00%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:10.00%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:10.00%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;">   </td> <td valign="bottom" style="width:01.00%;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:49.00%;background-color: #CCEEFF;padding:0pt;"> Total cash, cash equivalents and marketable securities </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;background-color: #CCEEFF;padding:0pt;"> $ </td> <td valign="bottom" style="width:08.88%;background-color: #CCEEFF;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>88,241 </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;background-color: #CCEEFF;padding:0pt;"> $ </td> <td valign="bottom" style="width:08.88%;background-color: #CCEEFF;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>13 </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;background-color: #CCEEFF;padding:0pt;"> $ </td> <td valign="bottom" style="width:08.88%;background-color: #CCEEFF;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>(2 </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;"> ) </td> <td valign="bottom" style="width:01.12%;background-color: #CCEEFF;padding:0pt;"> $ </td> <td valign="bottom" style="width:08.86%;background-color: #CCEEFF;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>88,252 </td> <td valign="bottom" style="width:01.00%;background-color: #CCEEFF;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:49.00%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:2pt double #000000 ;border-right:1pt none #D9D9D9 ;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:08.88%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:2pt double #000000 ;border-right:1pt none #D9D9D9 ;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:2pt double #000000 ;border-right:1pt none #D9D9D9 ;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:08.88%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:2pt double #000000 ;border-right:1pt none #D9D9D9 ;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:2pt double #000000 ;border-right:1pt none #D9D9D9 ;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:08.88%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:2pt double #000000 ;border-right:1pt none #D9D9D9 ;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:2pt double #000000 ;border-right:1pt none #D9D9D9 ;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:08.86%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:2pt double #000000 ;border-right:1pt none #D9D9D9 ;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.00%;background-color: #CCEEFF;padding:0pt;">   </td> </tr> </table></div>   <div style="width:100%;"><table cellpadding="0" cellspacing="0" style="border-collapse:collapse;width: 100.00%;margin-left:0pt;"> <tr> <td valign="bottom" style="width:49.00%;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td colspan="11" valign="bottom" style="width:47.50%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;"> December 31, 2014 </td> <td valign="bottom" style="width:01.00%;padding:0pt;">   </td> </tr> <tr> <td valign="bottom" style="width:49.00%;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:10.00%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;"> Cost </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:10.00%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;"> Unrealized gains </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:10.00%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;"> Unrealized losses </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:10.00%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;"> Fair value </td> <td valign="bottom" style="width:01.00%;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:49.00%;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:10.00%;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:10.00%;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:10.00%;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:10.00%;padding:0pt;">   </td> <td valign="bottom" style="width:01.00%;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:49.00%;background-color: #CCEEFF;padding:0pt;"> Cash and cash equivalents: </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:10.00%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:10.00%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:10.00%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:10.00%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.00%;background-color: #CCEEFF;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:49.00%;padding:0pt;"> Cash and money market funds (Level 1) </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;padding:0pt;"> $ </td> <td valign="bottom" style="width:08.88%;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>45,004 </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;padding:0pt;"> $ </td> <td valign="bottom" style="width:08.88%;padding:0pt;"> — </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;padding:0pt;"> $ </td> <td valign="bottom" style="width:08.88%;padding:0pt;"> — </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;padding:0pt;"> $ </td> <td valign="bottom" style="width:08.88%;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>45,004 </td> <td valign="bottom" style="width:01.00%;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:49.00%;background-color: #CCEEFF;padding:0pt;"> Corporate debt securities due within 3 months of date of purchase (Level 2) </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:10.00%;background-color: #CCEEFF;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>1,020 </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:10.00%;background-color: #CCEEFF;padding:0pt;"> — </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:10.00%;background-color: #CCEEFF;padding:0pt;"> — </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:10.00%;background-color: #CCEEFF;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>1,020 </td> <td valign="bottom" style="width:01.00%;background-color: #CCEEFF;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:49.00%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:10.00%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:10.00%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:10.00%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:10.00%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.00%;background-color: #CCEEFF;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:49.00%;padding:0pt;"> Total cash and cash equivalents </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;padding:0pt;"> $ </td> <td valign="bottom" style="width:08.88%;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>46,024 </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;padding:0pt;"> $ </td> <td valign="bottom" style="width:08.88%;padding:0pt;"> — </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;padding:0pt;"> $ </td> <td valign="bottom" style="width:08.88%;padding:0pt;"> — </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;padding:0pt;"> $ </td> <td valign="bottom" style="width:08.88%;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>46,024 </td> <td valign="bottom" style="width:01.00%;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:49.00%;background-color: #CCEEFF;padding:0pt;"> Marketable securities: </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:10.00%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:10.00%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:10.00%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:10.00%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.00%;background-color: #CCEEFF;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:49.00%;padding:0pt;"> Corporate debt securities due within 1 year of date of purchase (Level 2) </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:10.00%;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>51,662 </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:10.00%;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>12 </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:10.00%;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>(8 </td> <td valign="bottom" style="width:02.50%;"> ) </td> <td colspan="2" valign="bottom" style="width:10.00%;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>51,666 </td> <td valign="bottom" style="width:01.00%;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:49.00%;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:10.00%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:10.00%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:10.00%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:10.00%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;">   </td> <td valign="bottom" style="width:01.00%;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:49.00%;background-color: #CCEEFF;padding:0pt;"> Total cash, cash equivalents and marketable securities </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;background-color: #CCEEFF;padding:0pt;"> $ </td> <td valign="bottom" style="width:08.88%;background-color: #CCEEFF;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>97,686 </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;background-color: #CCEEFF;padding:0pt;"> $ </td> <td valign="bottom" style="width:08.88%;background-color: #CCEEFF;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>12 </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;background-color: #CCEEFF;padding:0pt;"> $ </td> <td valign="bottom" style="width:08.88%;background-color: #CCEEFF;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>(8 </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;"> ) </td> <td valign="bottom" style="width:01.12%;background-color: #CCEEFF;padding:0pt;"> $ </td> <td valign="bottom" style="width:08.88%;background-color: #CCEEFF;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>97,690 </td> <td valign="bottom" style="width:01.00%;background-color: #CCEEFF;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:49.00%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:2pt double #000000 ;border-right:1pt none #D9D9D9 ;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:08.88%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:2pt double #000000 ;border-right:1pt none #D9D9D9 ;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:2pt double #000000 ;border-right:1pt none #D9D9D9 ;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:08.88%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:2pt double #000000 ;border-right:1pt none #D9D9D9 ;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:2pt double #000000 ;border-right:1pt none #D9D9D9 ;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:08.88%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:2pt double #000000 ;border-right:1pt none #D9D9D9 ;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.12%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:2pt double #000000 ;border-right:1pt none #D9D9D9 ;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:08.88%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:2pt double #000000 ;border-right:1pt none #D9D9D9 ;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.00%;background-color: #CCEEFF;padding:0pt;">   </td> </tr> </table></div>   </div><div style="margin-left:0%;margin-right:0%;"> </div><div style="margin-left:0%;margin-right:0%;"></div> </div>

<div> <div style="margin-left:0%;margin-right:0%;"></div><div style="margin-left:0%;margin-right:0%;"> <div style="width:100%;"><table cellpadding="0" cellspacing="0" style="border-collapse:collapse;width: 86.00%;margin-left:0pt;"> <tr> <td valign="bottom" style="width:65.40%;padding:0pt;">   </td> <td valign="bottom" style="width:02.88%;padding:0pt;">   </td> <td valign="bottom" style="width:13.84%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;"> Shares </td> <td valign="bottom" style="width:02.88%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:13.84%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;"> Weighted average grant date fair value per share </td> <td valign="bottom" style="width:01.16%;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:65.40%;background-color: #CCEEFF;padding:0pt;"> Outstanding at January 1, 2015 </td> <td valign="bottom" style="width:02.88%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:13.84%;background-color: #CCEEFF;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>744,514 </td> <td valign="bottom" style="width:02.88%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.30%;background-color: #CCEEFF;padding:0pt;"> $ </td> <td valign="bottom" style="width:12.54%;background-color: #CCEEFF;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>3.65 </td> <td valign="bottom" style="width:01.16%;background-color: #CCEEFF;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:65.40%;padding:0pt;"> Vested </td> <td valign="bottom" style="width:02.88%;padding:0pt;">   </td> <td valign="bottom" style="width:13.84%;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>(45,361 </td> <td valign="bottom" style="width:02.88%;"> ) </td> <td colspan="2" valign="bottom" style="width:13.84%;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>3.02 </td> <td valign="bottom" style="width:01.16%;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:65.40%;background-color: #CCEEFF;padding:0pt;"> Granted </td> <td valign="bottom" style="width:02.88%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:13.84%;background-color: #CCEEFF;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>253,403 </td> <td valign="bottom" style="width:02.88%;background-color: #CCEEFF;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:13.84%;background-color: #CCEEFF;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>2.32 </td> <td valign="bottom" style="width:01.16%;background-color: #CCEEFF;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:65.40%;padding:0pt;"> Forfeited </td> <td valign="bottom" style="width:02.88%;padding:0pt;">   </td> <td valign="bottom" style="width:13.84%;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>(500,000 </td> <td valign="bottom" style="width:02.88%;"> ) </td> <td colspan="2" valign="bottom" style="width:13.84%;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>4.00 </td> <td valign="bottom" style="width:01.16%;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:65.40%;padding:0pt;">   </td> <td valign="bottom" style="width:02.88%;padding:0pt;">   </td> <td valign="bottom" style="width:13.84%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;">   </td> <td valign="bottom" style="width:02.88%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:13.84%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;">   </td> <td valign="bottom" style="width:01.16%;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:65.40%;background-color: #CCEEFF;padding:0pt;"> Outstanding at September 30, 2015 </td> <td valign="bottom" style="width:02.88%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:13.84%;background-color: #CCEEFF;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>452,556 </td> <td valign="bottom" style="width:02.88%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.30%;background-color: #CCEEFF;padding:0pt;"> $ </td> <td valign="bottom" style="width:12.54%;background-color: #CCEEFF;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>2.59 </td> <td valign="bottom" style="width:01.16%;background-color: #CCEEFF;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:65.40%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:02.88%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:13.84%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:2pt double #000000 ;border-right:1pt none #D9D9D9 ;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:02.88%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.30%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:2pt double #000000 ;border-right:1pt none #D9D9D9 ;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:12.54%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:2pt double #000000 ;border-right:1pt none #D9D9D9 ;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.16%;background-color: #CCEEFF;padding:0pt;">   </td> </tr> </table></div>   </div><div style="margin-left:0%;margin-right:0%;"> </div><div style="margin-left:0%;margin-right:0%;"></div> </div>

<div> <div style="margin-left:0%;margin-right:0%;"></div><div style="margin-left:0%;margin-right:0%;"> <div style="width:100%;"><table cellpadding="0" cellspacing="0" style="border-collapse:collapse;width: 86.00%;margin-left:0pt;"> <tr> <td valign="bottom" style="width:62.22%;padding:0pt;">   </td> <td valign="bottom" style="width:02.88%;padding:0pt;">   </td> <td valign="bottom" style="width:13.84%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;"> Shares </td> <td valign="bottom" style="width:02.88%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:17.00%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;"> Weighted average exercise price per share </td> <td valign="bottom" style="width:01.16%;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:62.22%;background-color: #CCEEFF;padding:0pt;"> Outstanding at January 1, 2015 </td> <td valign="bottom" style="width:02.88%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:13.84%;background-color: #CCEEFF;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>8,829,343 </td> <td valign="bottom" style="width:02.88%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.30%;background-color: #CCEEFF;padding:0pt;"> $ </td> <td valign="bottom" style="width:15.70%;background-color: #CCEEFF;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>6.17 </td> <td valign="bottom" style="width:01.16%;background-color: #CCEEFF;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:62.22%;padding:0pt;"> Options granted </td> <td valign="bottom" style="width:02.88%;padding:0pt;">   </td> <td valign="bottom" style="width:13.84%;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>3,102,486 </td> <td valign="bottom" style="width:02.88%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:17.00%;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>2.31 </td> <td valign="bottom" style="width:01.16%;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:62.22%;background-color: #CCEEFF;padding:0pt;"> Options exercised </td> <td valign="bottom" style="width:02.88%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:13.84%;background-color: #CCEEFF;padding:0pt;"> — </td> <td valign="bottom" style="width:02.88%;background-color: #CCEEFF;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:17.00%;background-color: #CCEEFF;padding:0pt;"> — </td> <td valign="bottom" style="width:01.16%;background-color: #CCEEFF;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:62.22%;padding:0pt;"> Options cancelled </td> <td valign="bottom" style="width:02.88%;padding:0pt;">   </td> <td valign="bottom" style="width:13.84%;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>(2,344,590 </td> <td valign="bottom" style="width:02.88%;"> ) </td> <td colspan="2" valign="bottom" style="width:17.00%;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>5.49 </td> <td valign="bottom" style="width:01.16%;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:62.22%;padding:0pt;">   </td> <td valign="bottom" style="width:02.88%;padding:0pt;">   </td> <td valign="bottom" style="width:13.84%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;">   </td> <td valign="bottom" style="width:02.88%;padding:0pt;">   </td> <td colspan="2" valign="bottom" style="width:17.00%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;">   </td> <td valign="bottom" style="width:01.16%;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:62.22%;background-color: #CCEEFF;padding:0pt;"> Outstanding at September 30, 2015 </td> <td valign="bottom" style="width:02.88%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:13.84%;background-color: #CCEEFF;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>9,587,239 </td> <td valign="bottom" style="width:02.88%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.30%;background-color: #CCEEFF;padding:0pt;"> $ </td> <td valign="bottom" style="width:15.70%;background-color: #CCEEFF;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>5.08 </td> <td valign="bottom" style="width:01.16%;background-color: #CCEEFF;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:62.22%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:02.88%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:13.84%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:2pt double #000000 ;border-right:1pt none #D9D9D9 ;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:02.88%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.30%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:2pt double #000000 ;border-right:1pt none #D9D9D9 ;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:15.70%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:2pt double #000000 ;border-right:1pt none #D9D9D9 ;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:01.16%;background-color: #CCEEFF;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:62.22%;padding:0pt;"> Exercisable at September 30, 2015 </td> <td valign="bottom" style="width:02.88%;padding:0pt;">   </td> <td valign="bottom" style="width:13.84%;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>5,523,040 </td> <td valign="bottom" style="width:02.88%;padding:0pt;">   </td> <td valign="bottom" style="width:01.30%;padding:0pt;"> $ </td> <td valign="bottom" style="width:15.70%;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>6.31 </td> <td valign="bottom" style="width:01.16%;padding:0pt;">   </td> </tr> </table></div>   </div><div style="margin-left:0%;margin-right:0%;"> </div><div style="margin-left:0%;margin-right:0%;"></div> </div>

<div> <div style="margin-left:0%;margin-right:0%;"></div><div style="margin-left:0%;margin-right:0%;"> <div style="width:100%;"><table cellpadding="0" cellspacing="0" style="border-collapse:collapse;width: 100.00%;margin-left:0pt;"> <tr> <td valign="bottom" style="width:41.00%;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td colspan="3" valign="bottom" style="width:26.50%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;"> Three Months Ended September 30, </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td colspan="3" valign="bottom" style="width:26.50%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;"> Nine Months Ended September 30, </td> <td valign="bottom" style="width:01.00%;padding:0pt;">   </td> </tr> <tr> <td valign="bottom" style="width:41.00%;padding:0pt;">   </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td valign="bottom" style="width:12.00%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;"> 2015 </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td valign="bottom" style="width:12.00%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;"> 2014 </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td valign="bottom" style="width:12.00%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;"> 2015 </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td valign="bottom" style="width:12.00%;border-top:1pt none #D9D9D9 ;border-left:1pt none #D9D9D9 ;border-bottom:1pt solid #000000 ;border-right:1pt none #D9D9D9 ;padding:0pt;"> 2014 </td> <td valign="bottom" style="width:01.00%;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:41.00%;background-color: #CCEEFF;padding:0pt;"> Risk-free interest rate </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:12.00%;background-color: #CCEEFF;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>1.83  </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;"> % </td> <td valign="bottom" style="width:12.00%;background-color: #CCEEFF;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>1.96  </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;"> % </td> <td valign="bottom" style="width:12.00%;background-color: #CCEEFF;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>1.81  </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;"> % </td> <td valign="bottom" style="width:12.00%;background-color: #CCEEFF;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>1.88  </td> <td valign="bottom" style="width:01.00%;background-color: #CCEEFF;padding:0pt;"> % </td> </tr> <tr> <td valign="top" style="width:41.00%;padding:0pt;"> Expected life in years </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td valign="bottom" style="width:12.00%;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>6.25  </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td valign="bottom" style="width:12.00%;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>6.25  </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td valign="bottom" style="width:12.00%;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>6.24  </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td valign="bottom" style="width:12.00%;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>6.25  </td> <td valign="bottom" style="width:01.00%;padding:0pt;">   </td> </tr> <tr> <td valign="top" style="width:41.00%;background-color: #CCEEFF;padding:0pt;"> Volatility </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;">   </td> <td valign="bottom" style="width:12.00%;background-color: #CCEEFF;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>72  </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;"> % </td> <td valign="bottom" style="width:12.00%;background-color: #CCEEFF;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>104  </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;"> % </td> <td valign="bottom" style="width:12.00%;background-color: #CCEEFF;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>95  </td> <td valign="bottom" style="width:02.50%;background-color: #CCEEFF;padding:0pt;"> % </td> <td valign="bottom" style="width:12.00%;background-color: #CCEEFF;;font-family:Times New Roman;font-size:10pt;text-align:right;" nowrap="nowrap"><div style="float:left"></div>104  </td> <td valign="bottom" style="width:01.00%;background-color: #CCEEFF;padding:0pt;"> % </td> </tr> <tr> <td valign="top" style="width:41.00%;padding:0pt;"> Expected dividend yield </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td valign="bottom" style="width:12.00%;padding:0pt;"> — </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td valign="bottom" style="width:12.00%;padding:0pt;"> — </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td valign="bottom" style="width:12.00%;padding:0pt;"> — </td> <td valign="bottom" style="width:02.50%;padding:0pt;">   </td> <td valign="bottom" style="width:12.00%;padding:0pt;"> — </td> <td valign="bottom" style="width:01.00%;padding:0pt;">   </td> </tr> </table></div>   </div><div style="margin-left:0%;margin-right:0%;"> </div><div style="margin-left:0%;margin-right:0%;"></div> </div>

22500000

6913000

9214000

6913000

4607000

5665000

3721000

P4Y

500000

4.00

253403

2.32

744514

452556

3.65

2.59

45361

100000

3.02

P10Y

P6Y3M

P6Y2M27D

P6Y3M

1.04

0.95

0.72

0.0188

0.0196

0.0181

0.0183

10300000

11600000

8741000

8608133

5523040

6.31

2344590

3102486

4.44

3.26

1.79

1.34

8829343

9587239

6.17

5.08

5.49

2.31

1.75

65136000

60370000

5679685

25300000

7257142

3300000

3614511

23000000

44300000

7900000

95160945

105774949

125648990

135971551