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Disclosure - Fair Value Measurements - Summary of Financial Assets Measured at Fair Value on Recurring Basis and Level of Fair Value Hierarchy Utilized (Details) link:presentationLink link:calculationLink link:definitionLink 100430 - Disclosure - Fair Value Measurements - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 100440 - Disclosure - Cash Equivalents and Marketable Securities - Summary of Marketable Securities (Details) link:presentationLink link:calculationLink link:definitionLink 100450 - Disclosure - Cash Equivalents and Marketable Securities - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 100460 - Disclosure - Property and Equipment, Net - Schedule of Property and Equipment, Net (Details) link:presentationLink link:calculationLink link:definitionLink 100470 - Disclosure - Property and Equipment, Net - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 100480 - Disclosure - Additional Balance Sheet Detail - Schedule of Prepaid Expenses and Other Current Assets (Details) link:presentationLink link:calculationLink link:definitionLink 100490 - Disclosure - Additional Balance Sheet Detail - Schedule of Accrued Expenses and Other Current Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 100500 - Disclosure - Additional Balance Sheet Detail - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 100510 - Disclosure - Preferred Stock - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 100520 - Disclosure - Common Stock - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 100530 - Disclosure - Common Stock - Schedule of Potential Conversion of Preferred Stock and Future Issuance of Common Stock (Details) link:presentationLink link:calculationLink link:definitionLink 100540 - Disclosure - 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Disclosure - Commitments and Contingencies - Schedule of Future Minimum Lease Payments (Details One) link:presentationLink link:calculationLink link:definitionLink 100680 - Disclosure - Income Taxes - Schedule of Reconciliation of U.S. Federal Statutory Income Tax Rate (Details) link:presentationLink link:calculationLink link:definitionLink 100690 - Disclosure - Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 100700 - Disclosure - Income Taxes - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 100710 - Disclosure - Defined Contribution Plan - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 100720 - Disclosure - Restructuring Activities - Schedule of Restructuring Charges (Details) link:presentationLink link:calculationLink link:definitionLink 100730 - Disclosure - Restructuring Activities (Additional Information) (Details) link:presentationLink link:calculationLink link:definitionLink 100740 - Disclosure - Net Loss per Share - Schedule of Antidilutive Securities Excluded from Calculation of Diluted Net Loss per Share Attributable to Common Stockholders (Details) link:presentationLink link:calculationLink link:definitionLink 100750 - Disclosure - Related-Party Transactions - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink