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 (Unaudited) link:presentationLink link:calculationLink link:definitionLink 9952154 - Statement - Condensed Consolidated Statements of Comprehensive Loss (Unaudited) link:presentationLink link:calculationLink link:definitionLink 9952155 - Statement - Condensed Consolidated Statements of Stockholders' Equity (Unaudited) link:presentationLink link:calculationLink link:definitionLink 9952156 - Statement - Condensed Consolidated Statements of Cash Flows (Unaudited) link:presentationLink link:calculationLink link:definitionLink 9952157 - Disclosure - Organization and Description of the Business link:presentationLink link:calculationLink link:definitionLink 9952158 - Disclosure - Summary of Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 9952159 - Disclosure - Fair Value Measurements link:presentationLink link:calculationLink link:definitionLink 9952160 - Disclosure - Balance Sheet Components link:presentationLink link:calculationLink link:definitionLink 9952161 - Disclosure - Lease link:presentationLink link:calculationLink link:definitionLink 9952162 - Disclosure - Stockholders' Equity link:presentationLink link:calculationLink link:definitionLink 9952163 - Disclosure - Stock-Based Compensation link:presentationLink link:calculationLink link:definitionLink 9952164 - Disclosure - Everest Collaboration link:presentationLink link:calculationLink link:definitionLink 9952165 - Disclosure - Income Taxes link:presentationLink link:calculationLink link:definitionLink 9952166 - Disclosure - Net Loss Per Share link:presentationLink link:calculationLink link:definitionLink 9952167 - Disclosure - Restructuring and Impairment Charges link:presentationLink link:calculationLink link:definitionLink 9952168 - Disclosure - Segment Reporting link:presentationLink link:calculationLink link:definitionLink 9952169 - Disclosure - Subsequent Events link:presentationLink link:calculationLink link:definitionLink 9955511 - Disclosure - Summary of Significant Accounting Policies (Policies) link:presentationLink link:calculationLink link:definitionLink 9955512 - Disclosure - Fair Value Measurements (Tables) link:presentationLink link:calculationLink link:definitionLink 9955513 - Disclosure - Balance Sheet Components (Tables) link:presentationLink link:calculationLink link:definitionLink 9955514 - Disclosure - Lease (Tables) link:presentationLink link:calculationLink link:definitionLink 9955515 - Disclosure - Stock-Based Compensation (Tables) link:presentationLink link:calculationLink link:definitionLink 9955516 - Disclosure - Net Loss Per Share (Tables) link:presentationLink link:calculationLink link:definitionLink 9955517 - Disclosure - Restructuring and Impairment Charges (Tables) link:presentationLink link:calculationLink link:definitionLink 9955518 - Disclosure - Segment Reporting (Tables) link:presentationLink link:calculationLink link:definitionLink 9955519 - Disclosure - Organization and Description of the Business (Details) link:presentationLink link:calculationLink link:definitionLink 9955520 - Disclosure - Fair Value Measurements (Details) link:presentationLink link:calculationLink link:definitionLink 9955521 - Disclosure - Balance Sheet Components - Summary of Prepaid Expenses And Other Current Assets (Details) link:presentationLink link:calculationLink link:definitionLink 9955522 - Disclosure - Balance Sheet Components - Summary of Property and Equipment, Net (Details) link:presentationLink link:calculationLink link:definitionLink 9955523 - Disclosure - Balance Sheet Components - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955524 - Disclosure - Balance Sheet Components - Summary of Accrued and Other Current Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955525 - Disclosure - Lease - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955526 - Disclosure - Lease - Summary of Lease Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955527 - Disclosure - Lease - Summary of Maturities of Lease Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955527 - Disclosure - Lease - Summary of Maturities of Lease Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955528 - Disclosure - Lease - Summary of Operating Lease Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955529 - Disclosure - Stockholders' Equity (Details) link:presentationLink link:calculationLink link:definitionLink 9955530 - Disclosure - Stock-Based Compensation - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955531 - Disclosure - Stock-Based Compensation - Summary of Activity under Stock Option Plans and Related Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955532 - Disclosure - Stock-Based Compensation - Summary of RSU Activity (Details) link:presentationLink link:calculationLink link:definitionLink 9955533 - Disclosure - Stock-Based Compensation - Summary of Stock-Based Compensation Expense Recognized (Details) link:presentationLink link:calculationLink link:definitionLink 9955533 - Disclosure - Stock-Based Compensation - Summary of Stock-Based Compensation Expense Recognized (Details) link:presentationLink link:calculationLink link:definitionLink 9955534 - Disclosure - Stock-Based Compensation - Summary of Fair Value of Employee Stock Options Granted is Calculated Using Black Scholes Option Pricing Model with Range of Assumptions (Details) link:presentationLink link:calculationLink link:definitionLink 9955535 - Disclosure - Everest Collaboration (Details) link:presentationLink link:calculationLink link:definitionLink 9955536 - Disclosure - Income Taxes (Details) link:presentationLink link:calculationLink link:definitionLink 9955537 - Disclosure - Net Loss Per Share - Summary of Calculation of Basic and Diluted Net Loss per Share (Details) link:presentationLink link:calculationLink link:definitionLink 9955538 - Disclosure - Net Loss Per Share - Summary of Anti-dilutive Outstanding Shares of Common Stock Equivalents Excluded from Computation of Diluted Net Loss per Share (Details) link:presentationLink link:calculationLink link:definitionLink 9955539 - Disclosure - Restructuring and Impairment Charges - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955540 - Disclosure - Restructuring and Impairment Charges - Summary of Restructuring and Impairment Charges (Details) link:presentationLink link:calculationLink link:definitionLink 9955541 - Disclosure - Restructuring and Impairment Charges - Summary of Accrual Activity and Payments Relating to Restructuring and Impairment Charge (Details) link:presentationLink link:calculationLink link:definitionLink 9955542 - Disclosure - Segment Reporting - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955543 - Disclosure - Segment Reporting - Summary of Financial Information for Segment (Details) link:presentationLink link:calculationLink link:definitionLink 9955544 - Disclosure - Subsequent Events (Details) link:presentationLink link:calculationLink link:definitionLink