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 STOCKHOLDERS' EQUITY link:presentationLink link:calculationLink link:definitionLink 9952155 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS link:presentationLink link:calculationLink link:definitionLink 9952156 - Disclosure - Nature of the Business and Basis of Presentation link:presentationLink link:calculationLink link:definitionLink 9952157 - Disclosure - Summary of Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 9952158 - Disclosure - Marketable Securities link:presentationLink link:calculationLink link:definitionLink 9952159 - Disclosure - Fair Value Measurements link:presentationLink link:calculationLink link:definitionLink 9952160 - Disclosure - Revenue Recognition link:presentationLink link:calculationLink link:definitionLink 9952161 - Disclosure - Accounts Receivable link:presentationLink link:calculationLink link:definitionLink 9952162 - Disclosure - Inventory link:presentationLink link:calculationLink link:definitionLink 9952163 - Disclosure - Property and Equipment, Net link:presentationLink link:calculationLink link:definitionLink 9952164 - Disclosure - Long-term Debt link:presentationLink link:calculationLink link:definitionLink 9952165 - Disclosure - Stock-Based Compensation link:presentationLink link:calculationLink link:definitionLink 9952166 - Disclosure - Income Taxes link:presentationLink link:calculationLink link:definitionLink 9952167 - Disclosure - Net Loss per Share link:presentationLink link:calculationLink link:definitionLink 9952168 - Disclosure - Commitments and Contingencies link:presentationLink link:calculationLink link:definitionLink 9952169 - Disclosure - Segment Information link:presentationLink link:calculationLink link:definitionLink 9952170 - Disclosure - Restructuring Charges link:presentationLink link:calculationLink link:definitionLink 9955511 - Disclosure - Summary of Significant Accounting Policies (Policies) link:presentationLink link:calculationLink link:definitionLink 9955512 - Disclosure - Marketable Securities (Tables) link:presentationLink link:calculationLink link:definitionLink 9955513 - Disclosure - Fair Value Measurements (Tables) link:presentationLink link:calculationLink link:definitionLink 9955514 - Disclosure - Revenue Recognition (Tables) link:presentationLink link:calculationLink link:definitionLink 9955515 - Disclosure - Inventory (Tables) link:presentationLink link:calculationLink link:definitionLink 9955516 - Disclosure - Property and Equipment, Net (Tables) link:presentationLink link:calculationLink link:definitionLink 9955517 - Disclosure - Long-term Debt (Tables) link:presentationLink link:calculationLink link:definitionLink 9955518 - Disclosure - Stock-Based Compensation (Tables) link:presentationLink link:calculationLink link:definitionLink 9955519 - Disclosure - Net Loss per Share (Tables) link:presentationLink link:calculationLink link:definitionLink 9955520 - Disclosure - Segment Information (Tables) link:presentationLink link:calculationLink link:definitionLink 9955521 - Disclosure - Nature of the Business and Basis of Presentation (Details) link:presentationLink link:calculationLink link:definitionLink 9955522 - Disclosure - Marketable Securities (Details) link:presentationLink link:calculationLink link:definitionLink 9955523 - Disclosure - Fair Value Measurements - Schedule of Financial Assets and Liabilities Measured at Fair Value On Recurring Basis (Details) link:presentationLink link:calculationLink link:definitionLink 9955524 - Disclosure - Fair Value Measurements - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955525 - Disclosure - Fair Value Measurements - Fair Value Rollforward (Details) link:presentationLink link:calculationLink link:definitionLink 9955526 - Disclosure - Revenue Recognition - Schedule of Performance Obligations (Details) link:presentationLink link:calculationLink link:definitionLink 9955526 - Disclosure - Revenue Recognition - Schedule of Performance Obligations (Details) link:presentationLink link:calculationLink link:definitionLink 9955527 - Disclosure - Revenue Recognition - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955528 - Disclosure - Revenue Recognition - Schedule of Rollforward of Deferred Revenue (Details) link:presentationLink link:calculationLink link:definitionLink 9955529 - Disclosure - Revenue Recognition - Schedule of Components of Lease Revenue (Details) link:presentationLink link:calculationLink link:definitionLink 9955530 - Disclosure - Revenue Recognition - Schedule of Company's Revenue by Revenue Stream (Details) link:presentationLink link:calculationLink link:definitionLink 9955531 - Disclosure - Revenue Recognition - Schedule of Minimum Future Payments on Noncancelable Leases (Details) link:presentationLink link:calculationLink link:definitionLink 9955532 - Disclosure - Inventory (Details) link:presentationLink link:calculationLink link:definitionLink 9955533 - Disclosure - Property and Equipment, Net - Schedule of property and equipment, net (Details) link:presentationLink link:calculationLink link:definitionLink 9955534 - Disclosure - Property and Equipment, Net - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955535 - Disclosure - Property and Equipment, Net - Schedule of leased equipment (Details) link:presentationLink link:calculationLink link:definitionLink 9955536 - Disclosure - Long-term Debt - Schedule of Debt (Details) link:presentationLink link:calculationLink link:definitionLink 9955536 - Disclosure - Long-term Debt - Schedule of Debt (Details) link:presentationLink link:calculationLink link:definitionLink 9955537 - Disclosure - Long-term Debt - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955538 - Disclosure - Long-term Debt - Schedule of Maturities of Long-Term Debt (Details) link:presentationLink link:calculationLink link:definitionLink 9955539 - Disclosure - Stock-Based Compensation - Stock Options Activity (Details) link:presentationLink link:calculationLink link:definitionLink 9955540 - Disclosure - Stock-Based Compensation - Restricted Stock Unit Activity (Details) link:presentationLink link:calculationLink link:definitionLink 9955541 - Disclosure - Stock-Based Compensation - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955542 - Disclosure - Stock-Based Compensation - Assumptions On Weighted Average Basis (Details) link:presentationLink link:calculationLink link:definitionLink 9955543 - Disclosure - Stock-Based Compensation - Market‑Condition Stock‑Based Awards Activity (Details) link:presentationLink link:calculationLink link:definitionLink 9955544 - Disclosure - Stock-Based Compensation - Stock-Based Compensation Expense (Details) link:presentationLink link:calculationLink link:definitionLink 9955545 - Disclosure - Net Loss per Share - Schedule of Basic and Diluted Net Loss Per Share (Details) link:presentationLink link:calculationLink link:definitionLink 9955546 - Disclosure - Net Loss per Share - Antidilutive effect (Details) link:presentationLink link:calculationLink link:definitionLink 9955547 - Disclosure - Commitments and Contingencies (Details) link:presentationLink link:calculationLink link:definitionLink 9955548 - Disclosure - Segment Information - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955549 - Disclosure - Segment Information - Schedule of Information by Reportable Segment (Details) link:presentationLink link:calculationLink link:definitionLink 9955550 - Disclosure - Restructuring Charges (Details) link:presentationLink link:calculationLink link:definitionLink