Accumulated Amortization Finite-Lived Intangible Assets, Accumulated Amortization Net revenue deferred in the period Contract with Customer, Liability, Revenue Deferred In The Period Contract with Customer, Liability, Revenue Deferred In The Period Investments Investment, Policy [Policy Text Block] Liquidity premium, percentage Debt Instrument, Liquidity Premium, Percentage Debt Instrument, Liquidity Premium, Percentage Accounts Payable Accounts Payable [Member] Award Timing Predetermined Award Timing Predetermined [Flag] 2017 and 2018 IRS examination resolution Effective Income Tax Rate Reconciliation, Tax Settlement, Domestic, Amount Stock-based compensation Effective Income Tax Rate Reconciliation, Tax Expense (Benefit), Share-Based Payment Arrangement, Percent Entity File Number Entity File Number Additional Paid-in- Capital Additional Paid-in Capital [Member] Tabular List, Table Tabular List [Table Text Block] Weighted average exercise price, options cancelled (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Cancellations in Period, Weighted Average Exercise Price Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Cancellations in Period, Weighted Average Exercise Price Recently Issued and Adopted Accounting Pronouncements Not Yet Adopted New Accounting Pronouncements, Policy [Policy Text Block] Purchase of short-term investments Payments to Acquire Short-Term Investments Debt instrument, variable interest rate margin Debt Instrument, Variable Interest Rate, Margin Debt Instrument, Variable Interest Rate, Margin Options to purchase common stock Share-based Compensation Arrangement by Share-based Payment Award, Options, Options To Purchase Common Stock [Member] Share-based Compensation Arrangement by Share-based Payment Award, Options, Options To Purchase Common Stock Sense Photonics Inc. Sense Photonics Inc. [Member] Sense Photonics Inc. Darien Spencer [Member] Darien Spencer Research and development credits Effective Income Tax Rate Reconciliation, Tax Credit, Research, Amount Weighted- Average Remaining Contractual Term (in years) Weighted Average Remaining Contractual Term [Abstract] Weighted Average Remaining Contractual Term Adjustment to Compensation: Adjustment to Compensation [Axis] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Cost to obtain a contract Sales Commissions and Fees Revenue Revenue from Contract with Customer [Text Block] Sale of stock, authorized amount Sale Of Stock, Authorized Amount Sale Of Stock, Authorized Amount Stock-based compensation Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-Based Compensation Cost Stock, Class of Stock [Table] Stock, Class of Stock [Table] Issuance of common stock to employees under employee stock purchase plan (in shares) Stock Issued During Period, Shares, Employee Stock Purchase Plans Issuance of 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[Member] Warrants To Purchase Common Stock Expiring 2026 Operating loss carryforwards Operating Loss Carryforwards Changes in unrecognized tax benefits Effective Income Tax Rate Reconciliation, Tax Contingency, Amount Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Sale of stock, weighted-average price (in dollars per share) Sale of Stock, Weighted Average Stock Price Per Share Sale of Stock, Weighted Average Stock Price Per Share Operating lease, right-of-use asset, adjustment Operating Lease, Right-of-Use Asset, Adjustment Operating Lease, Right-of-Use Asset, Adjustment Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Counterparty Name [Domain] Counterparty Name [Domain] 2027 Lessee, Operating Lease, Liability, to be Paid, Year Two Warranty expenditures Standard Product Warranty Accrual, Decrease for Payments Adjustment To PEO Compensation, Footnote Adjustment To PEO 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Corp. [Member] Colonnade Acquisition Corp. 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