00100 - Statement - Balance Sheets
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00300 - Statement - Statements of Operations and Comprehensive (Loss) Income
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00500 - Statement - Statements of Cash Flows
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40401 - Disclosure - Prepaid Expenses and Other Current Assets - Summary of Prepaid Expenses and Other Current Assets (Detail)
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40501 - Disclosure - Property and Equipment - Summary of Property and Equipment (Detail)
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40601 - Disclosure - Accrued Expenses - Summary of Accrued Expenses (Detail)
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40702 - Disclosure - Operating Leases - Schedule of Future Minimum Lease Payments (Detail)
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40901 - Disclosure - Income Taxes - Schedule of Gross Deferred Tax Asset and Related Valuation Allowance (Detail)
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00090 - Document - Document and Entity Information
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00205 - Statement - Balance Sheets (Parenthetical)
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00400 - Statement - Statements of Stockholders' Equity
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10101 - Disclosure - Description of the Business
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10201 - Disclosure - Summary of Significant Accounting Policies
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10301 - Disclosure - Net Loss Per Share of Common Stock
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10401 - Disclosure - Prepaid Expenses and Other Current Assets
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10501 - Disclosure - Property and Equipment
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10601 - Disclosure - Accrued Expenses
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10701 - Disclosure - Operating Leases
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10801 - Disclosure - Stockholders' Equity
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10901 - Disclosure - Income Taxes
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11001 - Disclosure - Research and License Agreements
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11101 - Disclosure - Quarterly Financial Information (Unaudited)
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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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30303 - Disclosure - Net Loss Per Share of Common Stock (Tables)
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30403 - Disclosure - Prepaid Expenses and Other Current Assets (Tables)
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30503 - Disclosure - Property and Equipment (Tables)
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30603 - Disclosure - Accrued Expenses (Tables)
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30703 - Disclosure - Operating Leases (Tables)
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30803 - Disclosure - Stockholders' Equity (Tables)
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30903 - Disclosure - Income Taxes (Tables)
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31103 - Disclosure - Quarterly Financial Information (Unaudited) (Tables)
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40101 - Disclosure - Description of the Business - Additional Information (Detail)
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40201 - Disclosure - Summary of Significant Accounting Policies - Additional Information (Detail)
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40202 - Disclosure - Summary of Significant Accounting Policies - Property and Equipment Estimated Useful Lives (Detail)
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40301 - Disclosure - Net Loss Per Share of Common Stock - (Detail)
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40302 - Disclosure - Net Loss Per Share of Common Stock - Potential Dilutive Securities Outstanding (Detail)
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40502 - Disclosure - Property and Equipment - Additional Information (Detail)
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40701 - Disclosure - Operating Leases (Detail)
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40801 - Disclosure - Stockholders' Equity - Additional Information (Detail)
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40802 - Disclosure - Stockholders' Equity - Common Stock Warrants (Detail)
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40803 - Disclosure - Stockholders' Equity - Company's Stock Option Activity (Detail)
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40804 - Disclosure - Stockholders' Equity - Weighted-Average Fair Value of the Options Granted (Detail)
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40805 - Disclosure - Stockholder's Equity - Summary of RSU Activity (Detail)
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40806 - Disclosure - Stockholders' Equity - Stock-Based Compensation Expense (Detail)
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40902 - Disclosure - Income Taxes - Additional Information (Detail)
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40903 - Disclosure - Income Taxes - Schedule of Reconciliations Between Statutory Federal Income Tax Rate and Effective Income Tax Rate of Income Tax Expense (Detail)
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41001 - Disclosure - Research and License Agreements - Additional Information (Detail)
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41101 - Disclosure - Quarterly Financial Information (Unaudited) - Summary of Quarterly Financial Information (Detail)
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