0000001 - Document - Cover link:presentationLink link:calculationLink link:definitionLink 0000002 - Statement - Condensed Consolidated Balance Sheets link:presentationLink link:calculationLink link:definitionLink 0000003 - Statement - Condensed Consolidated Balance Sheets (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 0000004 - Statement - Condensed Consolidated Statements of Operations link:presentationLink link:calculationLink link:definitionLink 0000005 - Statement - Condensed Consolidated Statements of Comprehensive Loss link:presentationLink link:calculationLink link:definitionLink 0000006 - Statement - Condensed Consolidated Statements of Stockholders’ Equity link:presentationLink link:calculationLink link:definitionLink 0000007 - Statement - Condensed Consolidated Statements of Cash Flows link:presentationLink link:calculationLink link:definitionLink 0000008 - Disclosure - Description of Business and Basis of Presentation link:presentationLink link:calculationLink link:definitionLink 0000009 - Disclosure - Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 0000010 - Disclosure - Fair Value Measurements link:presentationLink link:calculationLink link:definitionLink 0000011 - Disclosure - Composition of Certain Condensed Consolidated Financial Statement Line Items link:presentationLink link:calculationLink link:definitionLink 0000012 - Disclosure - Common Stock link:presentationLink link:calculationLink link:definitionLink 0000013 - Disclosure - Income Taxes link:presentationLink link:calculationLink link:definitionLink 0000014 - Disclosure - Equity Incentive Plans and Stock-based Compensation link:presentationLink link:calculationLink link:definitionLink 0000015 - Disclosure - Commitment and Contingencies link:presentationLink link:calculationLink link:definitionLink 0000016 - Disclosure - Basic and Diluted Net Loss per Share link:presentationLink link:calculationLink link:definitionLink 9954471 - Disclosure - Significant Accounting Policies (Policies) link:presentationLink link:calculationLink link:definitionLink 9954472 - Disclosure - Fair Value Measurements (Tables) link:presentationLink link:calculationLink link:definitionLink 9954473 - Disclosure - Composition of Certain Condensed Consolidated Financial Statement Line Items (Tables) link:presentationLink link:calculationLink link:definitionLink 9954474 - Disclosure - Common Stock (Tables) link:presentationLink link:calculationLink link:definitionLink 9954475 - Disclosure - Equity Incentive Plans and Stock-based Compensation (Tables) link:presentationLink link:calculationLink link:definitionLink 9954476 - Disclosure - Commitment and Contingencies (Tables) link:presentationLink link:calculationLink link:definitionLink 9954477 - Disclosure - Basic and Diluted Net Loss per Share (Tables) link:presentationLink link:calculationLink link:definitionLink 9954478 - Disclosure - Description of Business and Basis of Presentation (Details) link:presentationLink link:calculationLink link:definitionLink 9954479 - Disclosure - Significant Accounting Policies (Details) link:presentationLink link:calculationLink link:definitionLink 9954480 - Disclosure - Fair Value Measurements - Assets Carried at Fair Value and Measured on a Recurring Basis (Details) link:presentationLink link:calculationLink link:definitionLink 9954481 - Disclosure - Fair Value Measurements - Unrealized Losses and Fair Values of Available-for-Sale Securities in an Unrealized Loss Position (Details) link:presentationLink link:calculationLink link:definitionLink 9954482 - Disclosure - Composition of Certain Condensed Consolidated Financial Statement Line Items - Property and Equipment, Net (Details) link:presentationLink link:calculationLink link:definitionLink 9954483 - Disclosure - Composition of Certain Condensed Consolidated Financial Statement Line Items - Accrued Expenses and Other Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9954484 - Disclosure - Composition of Certain Condensed Consolidated Financial Statement Line Items - Cash, Cash Equivalents and Restricted Cash (Details) link:presentationLink link:calculationLink link:definitionLink 9954485 - Disclosure - Composition of Certain Condensed Consolidated Financial Statement Line Items - Other Long-term Assets (Details) link:presentationLink link:calculationLink link:definitionLink 9954486 - Disclosure - Common Stock - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9954487 - Disclosure - Common Stock - Common Stock Reserved for Future Issuance (Details) link:presentationLink link:calculationLink link:definitionLink 9954488 - Disclosure - Income Taxes - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9954489 - Disclosure - Equity Incentive Plans and Stock-based Compensation - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9954490 - Disclosure - Equity Incentive Plans and Stock-based Compensation - Significant Assumptions (Details) link:presentationLink link:calculationLink link:definitionLink 9954491 - Disclosure - Equity Incentive Plans and Stock-based Compensation - Option Award Activity (Details) link:presentationLink link:calculationLink link:definitionLink 9954492 - Disclosure - Equity Incentive Plans and Stock-based Compensation - Stock-Based Compensation Expense (Details) link:presentationLink link:calculationLink link:definitionLink 9954493 - Disclosure - Commitment and Contingencies - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9954494 - Disclosure - Commitment and Contingencies - Components of Lease Costs (Details) link:presentationLink link:calculationLink link:definitionLink 9954495 - Disclosure - Commitment and Contingencies - Future Principal Contractual Obligations for Operating Lease Commitments (Details) link:presentationLink link:calculationLink link:definitionLink 9954495 - Disclosure - Commitment and Contingencies - Future Principal Contractual Obligations for Operating Lease Commitments (Details) link:presentationLink link:calculationLink link:definitionLink 9954496 - Disclosure - Basic and Diluted Net Loss per Share - Basic and Diluted Net Loss per Share (Details) link:presentationLink link:calculationLink link:definitionLink 9954497 - Disclosure - Basic and Diluted Net Loss per Share - Potential Shares of Common Stock Excluded from the Computation of Diluted Net Loss Per Share (Details) link:presentationLink link:calculationLink link:definitionLink