0000001 - Document - Cover link:presentationLink link:calculationLink link:definitionLink 9952151 - Statement - Condensed Consolidated Balance Sheets link:presentationLink link:calculationLink link:definitionLink 9952152 - Statement - Condensed Consolidated Balance Sheets (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952153 - Statement - Condensed Consolidated Statements of Operations link:presentationLink link:calculationLink link:definitionLink 9952154 - Statement - Condensed Consolidated Statements of Comprehensive Loss link:presentationLink link:calculationLink link:definitionLink 9952155 - Statement - Condensed Consolidated Statements of Stockholders' Equity link:presentationLink link:calculationLink link:definitionLink 9952156 - Statement - Condensed Statements of Stockholders' Equity (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952157 - Statement - Condensed Consolidated Statements of Cash Flows link:presentationLink link:calculationLink link:definitionLink 9952158 - Disclosure - Organization link:presentationLink link:calculationLink link:definitionLink 9952159 - Disclosure - Summary of Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 9952160 - Disclosure - Collaboration Agreements link:presentationLink link:calculationLink link:definitionLink 9952161 - Disclosure - Condensed Consolidated Balance Sheet Components link:presentationLink link:calculationLink link:definitionLink 9952162 - Disclosure - Fair Value Measurements link:presentationLink link:calculationLink link:definitionLink 9952163 - Disclosure - Commitments and Contingencies link:presentationLink link:calculationLink link:definitionLink 9952164 - Disclosure - Common Stock link:presentationLink link:calculationLink link:definitionLink 9952165 - Disclosure - Stock-Based Compensation link:presentationLink link:calculationLink link:definitionLink 9952166 - Disclosure - Defined Contribution Plan link:presentationLink link:calculationLink link:definitionLink 9952167 - Disclosure - Income Taxes link:presentationLink link:calculationLink link:definitionLink 9952168 - Disclosure - Net Loss Per Share link:presentationLink link:calculationLink link:definitionLink 9952169 - Disclosure - Related Party Transactions link:presentationLink link:calculationLink link:definitionLink 9952170 - Disclosure - Subsequent Events link:presentationLink link:calculationLink link:definitionLink 9954471 - Disclosure - Summary of Significant Accounting Policies (Policies) link:presentationLink link:calculationLink link:definitionLink 9954472 - Disclosure - Condensed Consolidated Balance Sheet Components (Tables) link:presentationLink link:calculationLink link:definitionLink 9954473 - Disclosure - Fair Value Measurements (Tables) link:presentationLink link:calculationLink link:definitionLink 9954474 - Disclosure - Commitments and Contingencies (Tables) link:presentationLink link:calculationLink link:definitionLink 9954475 - Disclosure - Common Stock (Tables) link:presentationLink link:calculationLink link:definitionLink 9954476 - Disclosure - Stock-Based Compensation (Tables) link:presentationLink link:calculationLink link:definitionLink 9954477 - Disclosure - Net Loss Per Share (Tables) link:presentationLink link:calculationLink link:definitionLink 9954478 - Disclosure - Organization (Details) link:presentationLink link:calculationLink link:definitionLink 9954479 - Disclosure - Collaboration Agreements (Details) link:presentationLink link:calculationLink link:definitionLink 9954480 - Disclosure - Condensed Consolidated Balance Sheet Components - Summary of Property and Equipment (Details) link:presentationLink link:calculationLink link:definitionLink 9954481 - Disclosure - Condensed Consolidated Balance Sheet Components - Schedule of Accrued Expenses and Other Current Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9954482 - Disclosure - Fair Value Measurements - Summary of Investments Fair Value Measurement on Recurring Basis (Details) link:presentationLink link:calculationLink link:definitionLink 9954483 - Disclosure - Fair Value Measurements - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9954484 - Disclosure - Commitments and Contingencies - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9954485 - Disclosure - Commitments and Contingencies - Other Information Related to Leases (Details) link:presentationLink link:calculationLink link:definitionLink 9954486 - Disclosure - Common Stock - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9954487 - Disclosure - Common Stock - Schedule of Common Stock Shares Reserved for Future Issuance (Details) link:presentationLink link:calculationLink link:definitionLink 9954488 - Disclosure - Stock-Based Compensation - Schedule of Option Activity under the Stock Plans (Details) link:presentationLink link:calculationLink link:definitionLink 9954489 - Disclosure - Stock-Based Compensation - Schedule of RSU Activity (Details) link:presentationLink link:calculationLink link:definitionLink 9954490 - Disclosure - Stock-Based Compensation - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9954491 - Disclosure - Stock-Based Compensation - Summary of Stock-Based Compensation Expense Related to Stock Options and ESPP Included in the Statements of Operations (Details) link:presentationLink link:calculationLink link:definitionLink 9954492 - Disclosure - Defined Contribution Plan (Details) link:presentationLink link:calculationLink link:definitionLink 9954493 - Disclosure - Income Taxes (Details) link:presentationLink link:calculationLink link:definitionLink 9954494 - Disclosure - Net Loss Per Share - Schedule of Computation of Basic and Diluted Net Loss per Share Attributable to Common Stockholders (Details) link:presentationLink link:calculationLink link:definitionLink 9954495 - Disclosure - Net Loss Per Share - Schedule of Antidilutive Securities Excluded from Computation of Diluted Net Loss per Share of Common Stock (Details) link:presentationLink link:calculationLink link:definitionLink 9954496 - Disclosure - Related Party Transactions (Details) link:presentationLink link:calculationLink link:definitionLink