00100 - Statement - Condensed Consolidated Balance Sheets
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00200 - Statement - Condensed Consolidated Statements of Operations
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00300 - Statement - Condensed Consolidated Statements of Comprehensive Loss
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00400 - Statement - Condensed Consolidated Statements of Cash Flows
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40401 - Disclosure - Cash, Cash Equivalents and Marketable Securities (Details)
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00090 - Document - Document and Entity Information
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00105 - Statement - Condensed Consolidated Balance Sheets (Parenthetical)
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10101 - Disclosure - Organization, Business, and Basis of Presentation
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10201 - Disclosure - Summary of Significant Accounting Policies
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10301 - Disclosure - Liquidity and Uncertainties
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10401 - Disclosure - Cash, Cash Equivalents and Marketable Securities
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10601 - Disclosure - Stock-based Compensation
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10701 - Disclosure - Commitments and Contingencies
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20202 - Disclosure - Summary of Significant Accounting Policies (Policies)
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30203 - Disclosure - Summary of Significant Accounting Policies (Tables)
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30403 - Disclosure - Cash, Cash Equivalents and Marketable Securities (Tables)
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30603 - Disclosure - Stock-based Compensation (Tables)
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40201 - Disclosure - Summary of Significant Accounting Policies - Income Taxes (Details)
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40202 - Disclosure - Summary of Significant Accounting Policies - Basic and Diluted Loss Per Common Share (Details)
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40301 - Disclosure - Liquidity and Uncertainties (Details)
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40501 - Disclosure - Stockholders' Equity - Common Stock (Details)
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40502 - Disclosure - Stockholders' Equity - Registered Offering (Details)
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40503 - Disclosure - Stockholders' Equity - June 2017 Private Placement (Details)
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40504 - Disclosure - Stockholders' Equity - At The Market Issuances (Details)
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40601 - Disclosure - Stock-based Compensation - Stock Option (Details)
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40602 - Disclosure - Stock-based Compensation - Restricted Common Stock (Details)
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40603 - Disclosure - Stock-based Compensation - Expense (Details)
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40604 - Disclosure - Stock-based Compensation - Unrecognized Expense (Details)
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40701 - Disclosure - Commitments and Contingencies (Details)
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10501 - Disclosure - Stockholders' Equity
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