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[Policy Text Block] Debt Long-Term Debt, Excluding Current Maturities Leasehold improvements Leasehold Improvements [Member] Sales and marketing Selling and Marketing Expense [Member] Weighted-average shares used to compute diluted net loss per share (in shares) Weighted Average Number of Shares Outstanding, Diluted Grantee Status [Domain] Grantee Status [Domain] Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Canceled (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Cancellations, Weighted Average Grant Date Fair Value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Cancellations, Weighted Average Grant Date Fair Value Total accrued and other current liabilities Accrued And Other Liabilities, Current Accrued And Other Liabilities, Current Income Tax Authority, Name [Axis] Income Tax Authority, Name [Axis] Operating expenses: Operating Expenses [Abstract] Purchases of property and equipment Payments to Acquire Property, Plant, and Equipment Company Selected Measure Amount Company Selected Measure Amount Weighted Average Remaining Contractual Life (Years) Share-Based Payment Arrangement, Option, Exercise Price Range, Outstanding, Weighted Average Remaining Contractual Term Number of shares issuable (in shares) Class of Warrant or Right, Additional Number of Securities Called by Warrants or Rights Class of Warrant or Right, Additional Number of Securities Called by Warrants or Rights Total assets Assets Name Awards Close in Time to MNPI Disclosures, Individual Name Uninvoiced receipts Uninvoiced Receipts, Other Current Liabilities Uninvoiced Receipts, Other Current Liabilities Unbilled receivable, long-term portion Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Contract with Customer, Asset, after Allowance for Credit Loss, 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Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Non-NEOs Non-NEOs [Member] Loss contingencies, number of remaining patents Loss Contingencies, Number Of Remaining Patents Loss Contingencies, Number Of Remaining Patents Construction in progress Construction in Progress [Member] Prime Rate Prime Rate [Member] CASH FLOWS FROM FINANCING ACTIVITIES Net Cash Provided by (Used in) Financing Activities [Abstract] Non-PEO NEO Non-PEO NEO [Member] Adjustment to Compensation: Adjustment to Compensation [Axis] Net operating loss carryforwards Deferred Tax Assets, Operating Loss Carryforwards Debt Instrument [Line Items] Debt Instrument [Line Items] Weighted-average shares used to compute basic net loss per share (in shares) Weighted Average Number of Shares Outstanding, Basic Fixed assets Deferred Tax Assets, Property, Plant and Equipment Increase in shares reserved for issuance (in shares) Share-Based Compensation Arrangement By Share-Based Payment Award, Increase (Decrease) In Shares Reserved For Future Issuance Share-Based Compensation Arrangement By Share-Based Payment Award, Increase (Decrease) In Shares Reserved For Future Issuance Class of warrant or right, redemption terms, threshold common stock price (in dollars per share) Class Of Warrant Or Right, Redemption Terms, Threshold Common Stock Price Class Of Warrant Or Right, Redemption Terms, Threshold Common Stock Price Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] A Shareholder with 10% Ownership Share-based Payment Arrangement, 10% Shareholder [Member] Share-based Payment Arrangement, 10% Shareholder Public and private common stock warrants Public And Private Common Stock Warrants [Member] Public And Private Common Stock Warrants Cost of revenue Cost of Revenue Conversion Of CLA Units To Public Warrant Conversion Of CLA Units To Public Warrant [Member] Conversion Of CLA Units To Public Warrant Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Statement [Line Items] Statement [Line Items] Deferred: Deferred Federal, State and Local, Tax Expense (Benefit) [Abstract] Concentration Risk [Table] Concentration Risk [Table] Number of shares underlying outstanding options, vested and expected to vest (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number Hercules Loan and Security Agreement Loan Agreement With Hercules Capital, Inc. [Member] Loan Agreement With Hercules Capital, Inc. Intangible property Deferred Tax Liabilities, Intangible Assets Operating Loss Carryforwards Expiration Periods [Axis] Operating Loss Carryforwards Expiration Periods [Axis] Operating Loss Carryforwards Expiration Periods Name of Property [Axis] Name of Property [Axis] Award vesting rights, vested percentage Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Vested Percentage Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Vested Award, Percentage Tax Credit Carryforward [Axis] Tax Credit Carryforward [Axis] Share-based Payment Arrangement, Monthly Vesting for Thirty Six Month Share-based Payment Arrangement, Monthly Vesting For Thirty Six Month [Member] Share-based Payment Arrangement, Monthly Vesting For Thirty Six Month