100000 - Document - Document and Entity Information link:presentationLink link:calculationLink link:definitionLink 100010 - Statement - Balance Sheets link:presentationLink link:calculationLink link:definitionLink 100020 - Disclosure - Commitments and Contingencies - Maturity of Operating Lease Liabilities (Detail) 2 link:presentationLink link:calculationLink link:definitionLink 100030 - Disclosure - Income Taxes - Summary of Components of the Deferred Tax Assets (Detail) 2 link:presentationLink link:calculationLink link:definitionLink 100040 - Statement - Balance Sheets (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 100050 - Statement - Statements of Operations link:presentationLink link:calculationLink link:definitionLink 100060 - Statement - Statements of Comprehensive Loss link:presentationLink link:calculationLink link:definitionLink 100070 - Statement - Statement of Redeemable Convertible Preferred Stock and Stockholders' Equity (Deficit) link:presentationLink link:calculationLink link:definitionLink 100080 - Statement - Statements of Cash Flows link:presentationLink link:calculationLink link:definitionLink 100090 - Disclosure - Description of Business link:presentationLink link:calculationLink link:definitionLink 100100 - Disclosure - Summary of Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 100110 - Disclosure - Revenue from Contracts with Customers link:presentationLink link:calculationLink link:definitionLink 100120 - Disclosure - Fair Value Measurements link:presentationLink link:calculationLink link:definitionLink 100130 - Disclosure - Balance Sheet Components link:presentationLink link:calculationLink link:definitionLink 100140 - Disclosure - Commitments and Contingencies link:presentationLink link:calculationLink link:definitionLink 100150 - Disclosure - Term Loans link:presentationLink link:calculationLink link:definitionLink 100160 - Disclosure - Stockholders' Equity link:presentationLink link:calculationLink link:definitionLink 100170 - Disclosure - Stock-Based Compensation link:presentationLink link:calculationLink link:definitionLink 100180 - Disclosure - Income Taxes link:presentationLink link:calculationLink link:definitionLink 100190 - Disclosure - Net Loss Per Share Attributable to Common Stockholders link:presentationLink link:calculationLink link:definitionLink 100200 - Disclosure - Selected Quarterly Information link:presentationLink link:calculationLink link:definitionLink 100210 - Disclosure - Subsequent Event link:presentationLink link:calculationLink link:definitionLink 100220 - Disclosure - Summary of Significant Accounting Policies (Policies) link:presentationLink link:calculationLink link:definitionLink 100230 - Disclosure - Summary of Significant Accounting Policies (Tables) link:presentationLink link:calculationLink link:definitionLink 100240 - Disclosure - Revenue from Contracts with Customers (Tables) link:presentationLink link:calculationLink link:definitionLink 100250 - Disclosure - Fair Value Measurements (Tables) link:presentationLink link:calculationLink link:definitionLink 100260 - 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Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 100410 - Disclosure - Fair Value Measurements - Summary of Remaining Contractual Maturities (Details) link:presentationLink link:calculationLink link:definitionLink 100420 - Disclosure - Balance Sheet Components - Summary of cash, cash equivalents and restricted cash (Detail) link:presentationLink link:calculationLink link:definitionLink 100430 - Disclosure - Balance Sheet Components - Schedule of Inventories (Detail) link:presentationLink link:calculationLink link:definitionLink 100440 - Disclosure - Balance Sheet Components - Summary of Property Plant and Equipment (Detail) link:presentationLink link:calculationLink link:definitionLink 100450 - Disclosure - Balance Sheet Components - Accrued Expenses and Other Current Liabilities (Detail) link:presentationLink link:calculationLink link:definitionLink 100460 - Disclosure - Balance Sheet Components - Accrued Warranty Liability (Detail) link:presentationLink link:calculationLink link:definitionLink 100470 - Disclosure - Balance Sheet Components - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 100480 - Disclosure - Commitment and Contingencies (Additional Information) (Detail) link:presentationLink link:calculationLink link:definitionLink 100490 - Disclosure - Commitments and Contingencies - Schedule of Components of Lease Costs (Detail) link:presentationLink link:calculationLink link:definitionLink 100500 - Disclosure - Commitments and Contingencies - Schedule of Weighted-average Remaining Lease Term and Discount Rate (Detail) link:presentationLink link:calculationLink link:definitionLink 100510 - Disclosure - Commitments and Contingencies - Maturity of Operating Lease Liabilities (Detail) link:presentationLink link:calculationLink link:definitionLink 100520 - Disclosure - Term Loans - Schedule of Term Loan (Detail) link:presentationLink link:calculationLink link:definitionLink 100530 - Disclosure - Term Loans - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 100540 - Disclosure - Term Loans - Summary of Debt Maturities (Detail) link:presentationLink link:calculationLink link:definitionLink 100550 - Disclosure - Redeemable Convertible Preferred Stock and Stockholders' Equity (Deficit) (Additional Information) (Details) link:presentationLink link:calculationLink link:definitionLink 100560 - Disclosure - Stockholders' Equity - Summary of Reserved Shares of Common Stock on Converted Basis for Issuance (Details) link:presentationLink link:calculationLink link:definitionLink 100570 - Disclosure - Stock-Based Compensation - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 100580 - Disclosure - Stock-Based Compensation - Summary of Stock Option Activity (Details) link:presentationLink link:calculationLink link:definitionLink 100590 - Disclosure - Stock-Based Compensation - Schedule of Stock Option Valuation Assumptions (Details) link:presentationLink link:calculationLink link:definitionLink 100600 - Disclosure - Stock-Based Compensation - Summary of Restricted Stock Activity (Details) link:presentationLink link:calculationLink link:definitionLink 100610 - Disclosure - Stock-Based Compensation - Schedule of Employees Stock Purchase Plan (ESPP) (Details) link:presentationLink link:calculationLink link:definitionLink 100620 - Disclosure - Stock-Based Compensation - Summary of Stock-based Compensation Expense (Detail) link:presentationLink link:calculationLink link:definitionLink 100630 - Disclosure - Income Taxes - Loss before Provision for Income Taxes (Details) link:presentationLink link:calculationLink link:definitionLink 100640 - Disclosure - Income Taxes (Additional Information) (Detail) link:presentationLink link:calculationLink link:definitionLink 100650 - Disclosure - Income Taxes - Summary of Effective Tax Rate of the Provision for Income Taxes (Detail) link:presentationLink link:calculationLink link:definitionLink 100660 - Disclosure - Income Taxes - Summary of Components of the Deferred Tax Assets (Detail) link:presentationLink link:calculationLink link:definitionLink 100670 - Disclosure - Income Taxes - Summary of Reconciliation of the Total Unrecognized Tax Benefits (Detail) link:presentationLink link:calculationLink link:definitionLink 100680 - Disclosure - Net Loss Per Share Attributable to Common Stockholders - Schedule of Reconciliation of Numerator and Denominator Used in Calculation of Basic and Diluted Net Loss Per Share (Detail) link:presentationLink link:calculationLink link:definitionLink 100690 - Disclosure - Net Loss Per Share Attributable to Common Stockholders - Schedule of Outstanding Potentially Dilutive Shares were Excluded from Calculation of Diluted Net Loss Per Share (Detail) link:presentationLink link:calculationLink link:definitionLink