0000001 - Document - Cover Page 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 AND COMPREHENSIVE LOSS link:presentationLink link:calculationLink link:definitionLink 9952154 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY link:presentationLink link:calculationLink link:definitionLink 9952155 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS link:presentationLink link:calculationLink link:definitionLink 9952156 - Disclosure - Organization and Description of Business link:presentationLink link:calculationLink link:definitionLink 9952157 - Disclosure - Summary of Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 9952158 - Disclosure - Revenue Recognition link:presentationLink link:calculationLink link:definitionLink 9952159 - Disclosure - Fair Value of Financial Instruments link:presentationLink link:calculationLink link:definitionLink 9952160 - Disclosure - Inventories link:presentationLink link:calculationLink link:definitionLink 9952161 - Disclosure - Property and Equipment, Net link:presentationLink link:calculationLink link:definitionLink 9952162 - Disclosure - Restricted Cash link:presentationLink link:calculationLink link:definitionLink 9952163 - Disclosure - Accrued Expenses and Other Current Liabilities link:presentationLink link:calculationLink link:definitionLink 9952164 - Disclosure - Stock-Based Compensation link:presentationLink link:calculationLink link:definitionLink 9952165 - Disclosure - Net Loss Per Share link:presentationLink link:calculationLink link:definitionLink 9952166 - Disclosure - 401(k) Retirement Plan link:presentationLink link:calculationLink link:definitionLink 9952167 - Disclosure - Commitments and Contingencies link:presentationLink link:calculationLink link:definitionLink 9955511 - Disclosure - Summary of Significant Accounting Policies (Policies) link:presentationLink link:calculationLink link:definitionLink 9955512 - Disclosure - Summary of Significant Accounting Policies (Tables) link:presentationLink link:calculationLink link:definitionLink 9955513 - Disclosure - Revenue Recognition (Tables) link:presentationLink link:calculationLink link:definitionLink 9955514 - Disclosure - Fair Value of Financial Instruments (Tables) link:presentationLink link:calculationLink link:definitionLink 9955515 - Disclosure - Inventories (Tables) link:presentationLink link:calculationLink link:definitionLink 9955516 - Disclosure - Property and Equipment, Net (Tables) link:presentationLink link:calculationLink link:definitionLink 9955517 - Disclosure - Restricted Cash (Tables) link:presentationLink link:calculationLink link:definitionLink 9955518 - Disclosure - Accrued Expenses and Other Current Liabilities (Tables) link:presentationLink link:calculationLink link:definitionLink 9955519 - Disclosure - Stock-Based Compensation (Tables) link:presentationLink link:calculationLink link:definitionLink 9955520 - Disclosure - Net Loss Per Share (Tables) link:presentationLink link:calculationLink link:definitionLink 9955521 - Disclosure - Summary of Significant Accounting Policies - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955522 - Disclosure - Summary of Significant Accounting Policies - Effect of Change in Accounting Estimate (Details) link:presentationLink link:calculationLink link:definitionLink 9955523 - Disclosure - Summary of Significant Accounting Policies - Segment Revenue and Significant Segment Expenses (Details) link:presentationLink link:calculationLink link:definitionLink 9955524 - Disclosure - Summary of Significant Accounting Policies - Allowance for Credit Losses (Details) link:presentationLink link:calculationLink link:definitionLink 9955525 - Disclosure - Summary of Significant Accounting Policies - Operating Expenses - Other (Details) link:presentationLink link:calculationLink link:definitionLink 9955526 - Disclosure - Revenue Recognition - Disaggregation of Revenue (Details) link:presentationLink link:calculationLink link:definitionLink 9955527 - Disclosure - Revenue Recognition - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955527 - Disclosure - Revenue Recognition - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955528 - Disclosure - Fair Value of Financial Instruments - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955529 - Disclosure - Fair Value of Financial Instruments - Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) link:presentationLink link:calculationLink link:definitionLink 9955530 - Disclosure - Inventories (Details) link:presentationLink link:calculationLink link:definitionLink 9955531 - Disclosure - Property and Equipment, Net (Details) link:presentationLink link:calculationLink link:definitionLink 9955532 - Disclosure - Restricted Cash (Details) link:presentationLink link:calculationLink link:definitionLink 9955533 - Disclosure - Accrued Expenses and Other Current Liabilities - Company's Accrued Expenses and Other Current Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955534 - Disclosure - Accrued Expenses and Other Current Liabilities - Warranty Expense Activity (Details) link:presentationLink link:calculationLink link:definitionLink 9955535 - Disclosure - Stock-Based Compensation - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955536 - Disclosure - Stock-Based Compensation - Stock Option Activity (Details) link:presentationLink link:calculationLink link:definitionLink 9955537 - Disclosure - Stock-Based Compensation - Restricted Stock Unit Activity (Details) link:presentationLink link:calculationLink link:definitionLink 9955538 - Disclosure - Stock-Based Compensation - Stock-Based Compensation Expense (Details) link:presentationLink link:calculationLink link:definitionLink 9955538 - Disclosure - Stock-Based Compensation - Stock-Based Compensation Expense (Details) link:presentationLink link:calculationLink link:definitionLink 9955539 - Disclosure - Net Loss Per Share - Calculation of Basic and Diluted Net Loss Per Share (Details) link:presentationLink link:calculationLink link:definitionLink 9955540 - Disclosure - Net Loss Per Share - Anti-Dilutive Common Equivalent Shares (Details) link:presentationLink link:calculationLink link:definitionLink 9955541 - Disclosure - Net Loss Per Share - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955542 - Disclosure - 401(k) Retirement Plan (Details) link:presentationLink link:calculationLink link:definitionLink 9955543 - Disclosure - Commitments and Contingencies (Details) link:presentationLink link:calculationLink link:definitionLink