00100 - Statement - Balance Sheets
link:presentationLink
link:calculationLink
link:definitionLink
00200 - Statement - Statements of Operations and Comprehensive Loss
link:presentationLink
link:calculationLink
link:definitionLink
00400 - Statement - Statements of Cash Flows
link:presentationLink
link:calculationLink
link:definitionLink
40401 - Disclosure - Prepaid Expenses and Other Current Assets - Summary of Prepaid Expenses and Other Current Assets (Detail)
link:presentationLink
link:calculationLink
link:definitionLink
40501 - Disclosure - Property and Equipment (Detail)
link:presentationLink
link:calculationLink
link:definitionLink
40601 - Disclosure - Accrued Expenses - Summary of Accrued Expenses (Detail)
link:presentationLink
link:calculationLink
link:definitionLink
40701 - Disclosure - Operating Leases (Details)
link:presentationLink
link:calculationLink
link:definitionLink
40901 - Disclosure - Income Taxes - Schedule of Gross Deferred Tax Asset and Related Valuation Allowance (Detail)
link:presentationLink
link:calculationLink
link:definitionLink
00090 - Document - Document and Entity Information
link:presentationLink
link:calculationLink
link:definitionLink
00105 - Statement - Balance Sheets (Parenthetical)
link:presentationLink
link:calculationLink
link:definitionLink
00300 - Statement - Statements of Stockholders' Equity
link:presentationLink
link:calculationLink
link:definitionLink
10101 - Disclosure - Description of the Business
link:presentationLink
link:calculationLink
link:definitionLink
10201 - Disclosure - Summary of Significant Accounting Policies
link:presentationLink
link:calculationLink
link:definitionLink
10301 - Disclosure - Net Loss Per Share of Common Stock
link:presentationLink
link:calculationLink
link:definitionLink
10401 - Disclosure - Prepaid Expenses and Other Current Assets
link:presentationLink
link:calculationLink
link:definitionLink
10501 - Disclosure - Property and Equipment
link:presentationLink
link:calculationLink
link:definitionLink
10601 - Disclosure - Accrued Expenses
link:presentationLink
link:calculationLink
link:definitionLink
10701 - Disclosure - Operating Leases
link:presentationLink
link:calculationLink
link:definitionLink
10801 - Disclosure - Stockholders' Equity
link:presentationLink
link:calculationLink
link:definitionLink
10901 - Disclosure - Income Taxes
link:presentationLink
link:calculationLink
link:definitionLink
11001 - Disclosure - Research and License Agreements
link:presentationLink
link:calculationLink
link:definitionLink
11101 - Disclosure - Employee Benefit Plan
link:presentationLink
link:calculationLink
link:definitionLink
11201 - Disclosure - Quarterly Financial Information (Unaudited)
link:presentationLink
link:calculationLink
link:definitionLink
20202 - Disclosure - Summary of Significant Accounting Policies (Policies)
link:presentationLink
link:calculationLink
link:definitionLink
30203 - Disclosure - Summary of Significant Accounting Policies (Tables)
link:presentationLink
link:calculationLink
link:definitionLink
30303 - Disclosure - Net Loss Per Share of Common Stock (Tables)
link:presentationLink
link:calculationLink
link:definitionLink
30403 - Disclosure - Prepaid Expenses and Other Current Assets (Tables)
link:presentationLink
link:calculationLink
link:definitionLink
30503 - Disclosure - Property and Equipment (Tables)
link:presentationLink
link:calculationLink
link:definitionLink
30603 - Disclosure - Accrued Expenses (Tables)
link:presentationLink
link:calculationLink
link:definitionLink
30703 - Disclosure - Operating Leases (Tables)
link:presentationLink
link:calculationLink
link:definitionLink
30803 - Disclosure - Stockholders Equity (Tables)
link:presentationLink
link:calculationLink
link:definitionLink
30903 - Disclosure - Income Taxes (Tables)
link:presentationLink
link:calculationLink
link:definitionLink
31203 - Disclosure - Quarterly Financial Information (Unaudited) (Tables)
link:presentationLink
link:calculationLink
link:definitionLink
40101 - Disclosure - Description of the Business - Additional Information (Detail)
link:presentationLink
link:calculationLink
link:definitionLink
40201 - Disclosure - Summary of Significant Accounting Policies (Details)
link:presentationLink
link:calculationLink
link:definitionLink
40202 - Disclosure - Summary of Significant Accounting Policies - Property and Equipment (Detail)
link:presentationLink
link:calculationLink
link:definitionLink
40301 - Disclosure - Net (Loss) Income Per Share of Common Stock (Detail)
link:presentationLink
link:calculationLink
link:definitionLink
40801 - Disclosure - Stockholders' Equity - Preferred and Common Stock (Detail)
link:presentationLink
link:calculationLink
link:definitionLink
40802 - Disclosure - Stockholders' Equity - Common Stock Warrants (Detail)
link:presentationLink
link:calculationLink
link:definitionLink
40803 - Disclosure - Stockholders' Equity - Incentive Plans (Detail)
link:presentationLink
link:calculationLink
link:definitionLink
40804 - Disclosure - Stockholders' Equity - Company's Stock Option Activity (Detail)
link:presentationLink
link:calculationLink
link:definitionLink
40805 - Disclosure - Stockholders' Equity - Weighted-Average assumptions (Detail)
link:presentationLink
link:calculationLink
link:definitionLink
40806 - Disclosure - Stockholders' Equity - Summary of RSU Activity (Detail)
link:presentationLink
link:calculationLink
link:definitionLink
40807 - Disclosure - Stockholders' Equity - Stock-Based Compensation Expense (Detail)
link:presentationLink
link:calculationLink
link:definitionLink
40902 - Disclosure - Income Taxes - Additional Information (Detail)
link:presentationLink
link:calculationLink
link:definitionLink
40903 - Disclosure - Income Taxes - Reconciliation Between Statutory Federal Income Tax Rate and Effective Income Tax Rate (Detail)
link:presentationLink
link:calculationLink
link:definitionLink
41001 - Disclosure - Research and License Agreements - Additional Information (Detail)
link:presentationLink
link:calculationLink
link:definitionLink
41101 - Disclosure - Employee Benefit Plan (Details)
link:presentationLink
link:calculationLink
link:definitionLink
41201 - Disclosure - Quarterly Financial Information (Unaudited) (Detail)
link:presentationLink
link:calculationLink
link:definitionLink