100000 - Document - Cover link:presentationLink link:calculationLink link:definitionLink 100010 - Statement - Condensed Consolidated Balance Sheets link:presentationLink link:calculationLink link:definitionLink 100020 - Disclosure - Commitments and Contingencies - Future Minimum Rental Payments under Operating Leases with Noncancelable Terms (Details) 2 link:presentationLink link:calculationLink link:definitionLink 100030 - Statement - Condensed Consolidated Balance Sheets (Parentheticals) link:presentationLink link:calculationLink link:definitionLink 100040 - Statement - Condensed Consolidated Statements of Operations link:presentationLink link:calculationLink link:definitionLink 100050 - Statement - Condensed Consolidated Statements of Stockholders' Equity link:presentationLink link:calculationLink link:definitionLink 100060 - Statement - Condensed Consolidated Statements of Stockholders' Equity (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 100070 - Statement - Condensed Consolidated Statements of Cash Flows link:presentationLink link:calculationLink link:definitionLink 100080 - Disclosure - Organization and Description of the Business link:presentationLink link:calculationLink link:definitionLink 100090 - Disclosure - Summary of Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 100100 - Disclosure - Fair Value Measurements link:presentationLink link:calculationLink link:definitionLink 100110 - Disclosure - Balance Sheet Components link:presentationLink link:calculationLink link:definitionLink 100120 - Disclosure - Commitment and Contingencies link:presentationLink link:calculationLink link:definitionLink 100130 - Disclosure - Loan Payable link:presentationLink link:calculationLink link:definitionLink 100140 - Disclosure - Stockholders' Equity link:presentationLink link:calculationLink link:definitionLink 100150 - Disclosure - Stock-Based Compensation link:presentationLink link:calculationLink link:definitionLink 100160 - Disclosure - Retirement Plan link:presentationLink link:calculationLink link:definitionLink 100170 - Disclosure - Net Loss Per Share link:presentationLink link:calculationLink link:definitionLink 100180 - Disclosure - Summary of Significant Accounting Policies (Policies) link:presentationLink link:calculationLink link:definitionLink 100190 - Disclosure - Fair Value Measurements (Tables) link:presentationLink link:calculationLink link:definitionLink 100200 - Disclosure - Balance Sheet Components (Tables) link:presentationLink link:calculationLink link:definitionLink 100210 - Disclosure - Commitment and Contingencies (Tables) link:presentationLink link:calculationLink link:definitionLink 100220 - Disclosure - Stockholders' Equity (Tables) link:presentationLink link:calculationLink link:definitionLink 100230 - Disclosure - Stock-Based Compensation (Tables) link:presentationLink link:calculationLink link:definitionLink 100240 - Disclosure - Net Loss Per Share (Tables) link:presentationLink link:calculationLink link:definitionLink 100250 - Disclosure - Organization and Description of the Business - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 100260 - Disclosure - Fair Value Measurements - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis (Details) link:presentationLink link:calculationLink link:definitionLink 100270 - Disclosure - Balance Sheet Components - Schedule of Prepaid Expenses and Other Current Asset (Details) link:presentationLink link:calculationLink link:definitionLink 100280 - Disclosure - Balance Sheet Components - Summary of Property and Equipment, Net (Details) link:presentationLink link:calculationLink link:definitionLink 100290 - Disclosure - Balance Sheet Components - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 100300 - Disclosure - Balance Sheet Components - Schedule of Accrued Expenses (Details) link:presentationLink link:calculationLink link:definitionLink 100310 - Disclosure - Commitments and Contingencies - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 100320 - Disclosure - Commitments and Contingencies - Future Minimum Rental Payments under Operating Leases with Noncancelable Terms (Details) link:presentationLink link:calculationLink link:definitionLink 100330 - Disclosure - Loan Payable - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 100340 - Disclosure - Stockholders' Equity - Summary of Convertible Preferred Stock (Details) link:presentationLink link:calculationLink link:definitionLink 100350 - Disclosure - Stockholders' Equity - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 100360 - Disclosure - Stock-Based Compensation - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 100370 - Disclosure - Stock-Based Compensation - Summary of Stock Options (Details) link:presentationLink link:calculationLink link:definitionLink 100380 - Disclosure - Stock-Based Compensation - Summary of Information About Stock Options Outstanding (Details) link:presentationLink link:calculationLink link:definitionLink 100390 - Disclosure - Stock-Based Compensation - Grant Date Fair Value of Option (Details) link:presentationLink link:calculationLink link:definitionLink 100400 - Disclosure - Stock-Based Compensation - Stock Based Compensation Expense (Details) link:presentationLink link:calculationLink link:definitionLink 100410 - Disclosure - Retirement Plan - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 100420 - Disclosure - Net Loss Per Share - Summary of Basis in Diluted Net Loss Per Share (Details) link:presentationLink link:calculationLink link:definitionLink 100430 - Disclosure - Net Loss Per Share - Antidilutive Securities Excluded from Computation of Earnings Per Share (Details) link:presentationLink link:calculationLink link:definitionLink