Product and Service [Axis] Systems [Member] Disposables Service and Accessories [Member] Equity Components [Axis] Convertible preferred stock series A [Member] Convertible preferred stock series B [Member] Common Stock [Member] Additional Paid-in Capital [Member] Treasury Stock, Common [Member] Retained Earnings [Member] Statement of Financial Position Location, Balance [Axis] Other Current Assets [Member] Statistical Measurement [Axis] Maximum [Member] Concentration Risk Benchmark [Axis] Revenue From System Delivery and Installation [Member] Concentration Risk Type [Axis] Product Concentration Risk [Member] Disposable revenue [Member] Royalty Revenue [Member] Other Recurring Revenue [Member] Award Type [Axis] Stock Options and Stock Appreciation Rights [Member] Series A Convertible Preferred Stock [Member] Restricted Stock [Member] Unearned Restricted Shares [Member] Customer Deposits [Member] Product Shipped Revenue Deferred [Member] Deferred Service and License Fees [Member] Financial Instrument [Axis] Cash [Member] Money Market Funds [Member] Fair Value Hierarchy and NAV [Axis] Fair Value, Inputs, Level 2 [Member] Long-Lived Tangible Asset [Axis] Equipment [Member] Leasehold Improvements [Member] Collaborative Arrangement and Arrangement Other than Collaborative [Axis] Office Lease Agreement [Member] Legal Entity [Axis] Globe Building Company [Member] Award Date [Axis] 2022 [Member] 2031 [Member] Class of Stock [Axis] PSU Agreement [Member] Title and Position [Axis] Mr. Fischel [Member] Plan Name [Axis] 2012 Stock Incentive Plan [Member] Stock Award Plans [Member] Vesting [Axis] Share-Based Payment Arrangement, Tranche One [Member] Share-Based Payment Arrangement, Tranche Two [Member] Share-Based Payment Arrangement, Tranche Three [Member] ShareBased Compensation Award Tranche Four [Member] ShareBased Compensation Award Tranche Five [Member] ShareBased Compensation Award Tranche Six [Member] ShareBased Compensation Award Tranche Seven [Member] ShareBased Compensation Award Tranche Eight [Member] ShareBased Compensation Award Tranche Nine [Member] ShareBased Compensation Award Tranche Ten [Member] Equity Option [Member] Stock Appreciation Rights (SARs) [Member] Minimum [Member] Restricted Stock Units (RSUs) [Member] Credit Facility [Axis] Letter of Credit [Member] Subsequent Event Type [Axis] Subsequent Event [Member] Business Acquisition [Axis] Access Point Technologies Inc [Member] Cover [Abstract] Document Type Amendment Flag Amendment Description Document Registration Statement Document Annual Report Document Quarterly Report Document Transition Report Document Shell Company Report Document Shell Company Event Date Document Period Start Date Document Period End Date Document Fiscal Period Focus Document Fiscal Year Focus Current Fiscal Year End Date Entity File Number Entity Registrant Name Entity Central Index Key Entity Primary SIC Number Entity Tax Identification Number Entity Incorporation, State or Country Code Entity Address, Address Line One Entity Address, Address Line Two Entity Address, Address Line Three Entity Address, City or Town Entity Address, State or Province Entity Address, Country Entity Address, Postal Zip Code Country Region City Area Code Local Phone Number Extension Written Communications Soliciting Material Pre-commencement Tender Offer Pre-commencement Issuer Tender Offer Title of 12(b) Security No Trading Symbol Flag Trading Symbol Security Exchange Name Title of 12(g) Security Security Reporting Obligation Annual Information Form Audited Annual Financial Statements Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Current Reporting Status Entity Interactive Data Current Entity Filer Category Entity Small Business Entity Emerging Growth Company Elected Not To Use the Extended Transition Period Document Accounting Standard Other Reporting Standard Item Number Entity Shell Company Entity Public Float Entity Bankruptcy Proceedings, Reporting Current Entity Common Stock, Shares Outstanding Documents Incorporated by Reference [Text Block] Statement of Financial Position [Abstract] Assets Current assets: Cash and cash equivalents Restricted cash - current Accounts receivable, net of allowance of $609 and $672 at 2024 and 2023, respectively Inventories, net Prepaid expenses and other current assets Total current assets Property and equipment, net Restricted cash Operating lease right-of-use assets Prepaid and other non-current assets Total assets Liabilities and stockholders’ equity Current liabilities: Accounts payable Accrued liabilities Deferred revenue Current portion of operating lease liabilities Total current liabilities Long-term deferred revenue Operating lease liabilities Other liabilities Total liabilities Series A - Convertible preferred stock: Convertible preferred stock, Series A, par value $0.001; 10,000,000 shares authorized, 21,908 and 22,358 shares outstanding at 2024 and 2023 Stockholders’ equity: Common stock, par value $0.001; 300,000,000 shares authorized, 82,132,777 and 80,949,697 shares issued at 2024 and 2023, respectively Additional paid in capital Treasury stock, 4,015 shares at 2024 and 2023 Accumulated deficit Total stockholders’ equity Total liabilities and stockholders’ equity Accounts receivable, allowance Series A convertible preferred stock, par value Series A convertible preferred stock, shares authorized Series A convertible preferred stock, shares outstanding Common stock, par value Common stock, shares authorized Common stock, shares issued Treasury stock, shares Statement [Table] Statement [Line Items] Revenue: Total revenue Cost of revenue: Total cost of revenue Gross margin Operating expenses: Research and development Sales and marketing General and administrative Total operating expenses Operating loss Interest income, net Net loss Cumulative dividend on convertible preferred stock Net loss attributable to common stockholders Net loss per share attributable to common stockholders: Basic Diluted Weighted average number of common shares and equivalents: Basic Diluted Balance Balance, shares Stock issued for the exercise of stock options Stock issued for the exercise of stock options, shares Stock-based compensation Stock-based compensation, shares Components of net loss Employee stock purchase plan Employee stock purchase plan, shares Preferred stock conversion Preferred stock conversion, shares Balance Balance, shares Statement of Cash Flows [Abstract] Cash flows from operating activities Net loss Adjustments to reconcile net loss to cash used in operating activities: Depreciation Non-cash lease expense Stock-based compensation Accretion and short-term investment discount Changes in operating assets and liabilities: Accounts receivable Inventories Prepaid expenses and other current assets Other assets Accounts payable Accrued liabilities Deferred revenue Net cash used in operating activities Cash flows from investing activities Purchase of property and equipment Net cash used in investing activities Cash flows from financing activities Proceeds from issuance of stock, net of issuance costs Net cash provided by financing activities Net decrease in cash, cash equivalents, and restricted cash Cash, cash equivalents, and restricted cash at beginning of period Cash, cash equivalents, and restricted cash at end of period Supplemental disclosure of cash flow information: Purchase of property and equipment included in accounts payable Reconciliation of cash, cash equivalents, and restricted cash to balance sheet as of March 31st: Cash and cash equivalents Restricted cash - current Restricted cash Total cash, cash equivalents, and restricted cash Organization, Consolidation and Presentation of Financial Statements [Abstract] Description of Business Accounting Policies [Abstract] Summary of Significant Accounting Policies Investments, All Other Investments [Abstract] Financial Instruments Inventory Disclosure [Abstract] Inventories Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] Prepaid Expenses and Other Assets Property, Plant and Equipment [Abstract] Property and Equipment Leases Leases Payables and Accruals [Abstract] Accrued Liabilities Equity [Abstract] Convertible Preferred Stock and Stockholders’ Equity Guarantees and Product Warranties [Abstract] Product Warranty Provisions Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Subsequent Events [Abstract] Subsequent Events Basis of Presentation Risks and Uncertainties Concentration of Credit Risk Cash and Cash Equivalents Restricted Cash Investments Fair Value Measurements Accounts Receivable, Contract Assets, and Allowance for Credit Losses Revenue and Costs of Revenue Assets Recognized from the Costs to Obtain a Contract with a Customer Leasing Arrangements Stock-Based Compensation Net Loss per Common Share Recently Issued Accounting Pronouncements Schedule of Revenue Disaggregated by Type Summary of Contract Assets and Liabilities Schedule of Computation of Basic and Diluted Earnings Per Share Schedule of Cash and Cash Equivalents, Restricted Cash and Investments Schedule of Inventories Schedule of Prepaid Expenses and Other Assets Schedule of Property and Equipment Schedule of Lease Costs and Other Lease Information Schedule of Future Minimum Operating Lease Payments Schedule of Accrued Liabilities Summary of Performance Award And Market Capitalization Milestones Summary of Option and Stock Appreciation Rights Activity Summary of Restricted Stock Unit Activity Schedule of Accrued Warranty Nature of Operation, Product Information, Concentration of Risk [Table] Product Information [Line Items] Contract Assets - unbilled receivables Total deferred revenue Less: Long-term deferred revenue Total current deferred revenue Net loss attributable to common stockholders Weighted average number of common shares and equivalents, basic Weighted average number of common shares and equivalents, diluted Basic EPS Diluted EPS [custom:AccruedInterestReceivableOnInvestment-0] Restricted cash Short-term investments Expected credit loss on investments or accrued interest, description Warranty costs Concentration risk percentage Remaining performance obligations Contract with customer liability revenue recognized Capitalized contract cost Expected dividend rate Expected volatility Expected term Potential common shares excluded from diluted earnings per share Weighted average exercise price Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Table] Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Line Items] Cash, Amortized Cost Cash, Gross Unrealized Gains Cash, Gross Unrealized Losses Cash, Fair Value Cash and Cash Equivalents Restricted Cash- current Short-term Investments Restricted Cash Cash and Held to maturity securities, Amortized Cost Cash and Held to maturity securities, Gross Unrealized Gains Cash and Held to maturity securities, Gross Unrealized Losses Cash and Held to maturity securities, Fair Value Total assets measured at fair value, Amortized Cost Total assets measured at fair value, Gross Unrealized Gains Total assets measured at fair value, Gross Unrealized Losses Total assets measured at fair value, Fair value Interest income Raw materials Work in process Finished goods Reserve for excess and obsolescence Total inventory Prepaid expenses Prepaid commissions Deposits Other assets Total prepaid expenses and other assets Less: Noncurrent prepaid expenses and other assets Total current prepaid expenses and other assets Property, Plant and Equipment [Table] Property, Plant and Equipment [Line Items] Gross property and equipment Less: Accumulated depreciation Net property and equipment Property and equipment additions Schedule Of Lease Costs And Other Lease Information Operating lease cost Short-term lease cost Total net lease cost Cash paid within operating cash flows Schedule Of Future Minimum Operating Lease Payments 2024 2025 2026 2027 2028 2029 and thereafter Total lease payments Less: Interest Present value of lease liabilities Collaborative Arrangement and Arrangement Other than Collaborative [Table] Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] Area of land Operating lease, term Operating lease, option to extend Operating lease, renewal term Payments for rent Weighted average discount rate, operating lease Weighted average remaining lease term, operating lease Accrued salaries, bonus, and benefits Accrued licenses and maintenance fees Accrued warranties Accrued professional services Accrued investigational sites Deferred contract obligation Other Total accrued liabilities Less: Long term accrued liabilities Total current accrued liabilities Number of shares subject to PSU Market capitalization milestone, amount Number of Options/SARs, Outstanding, Beginning Range of Exercise Price, Outstanding Weighted Average Exercise Price per Share, Outstanding, Beginning Number of Options/SARs, Granted Range of Exercise Price, Granted Weighted Average Exercise Price per Share, Granted Number of Options/SARs, Exercised Range of Exercise Price, Exercised Weighted Average Exercise Price per Share, Exercised Number of Options/SARs, Forfeited Range of Exercise Price, Forfeited Weighted Average Exercise Price per Share, Forfeited Number of Options/SARs, Outstanding, Ending Range of Exercise Price, Outstanding, Ending Weighted Average Exercise Price per Share, Outstanding, Ending Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Number of Restricted Stock Units, Outstanding, Beginning Weighted Average Grant Date Fair Value per Unit, Outstanding, Beginning Number of Restricted Stock Units, Outstanding, Granted Weighted Average Grant Date Fair Value per Unit, Granted Number of Restricted Stock Units, Outstanding, Vested Weighted Average Grant Date Fair Value per Unit, Vested Number of Restricted Stock Units, Outstanding, Ending Weighted Average Grant Date Fair Value per Unit, Outstanding, Ending Stock, Class of Stock [Table] Class of Stock [Line Items] Common stock, voting rights Payments of dividends common stock Sale of stock, number of shares sold Preferred stock, par value Preferred stock, stated value Redemption price per share Common stock issuable from warrants Preferred stock dividend rate Preferred stock redemption, triggering event, percent of common stock sold threshold Performance award term Number of shares granted Maximum market capitalization milestone, amount Increase in market capitalization milestone, amount Award vesting rights, description Stock-based compensation expense Unrecognized stock-based compensation expense Stock plan expiration date Common stock, shares reserved for future grants Share based payment arrangement, cost not yet recognized, period Warranty accrual, beginning of the fiscal period Accrual adjustment for product warranty Payments made Warranty accrual, end of the fiscal period Line of Credit Facility [Table] Line of Credit Facility [Line Items] Vendor proceedings on Inventory Long-term line of credit Subsequent Event [Table] Subsequent Event [Line Items] Shares issuable Prepaid commissions current and noncurrent. Office Lease Agreement [Member] Globe Building Company [Member] 2022 [Member] 2031 [Member] Lessee operating lease liability payments due year five and thereafter. Accrued licenses and maintenance fees current and noncurrent. Accrued investigational sites. Series A Convertible Preferred Stock [Member] Preferred stock, stated value Preferred stock redemption triggering event percent of common stock sold threshold. PSU Agreement [Member] Mr. Fischel [Member] Market capitalization milestone. Increase in market capitalization milestone, amount. Summary of performance award and market capitalization milestones [Table Text Block] ShareBased Compensation Award Tranche Four [Member] ShareBased Compensation Award Tranche Five [Member] ShareBased Compensation Award Tranche Six [Member] ShareBased Compensation Award Tranche Seven [Member] ShareBased Compensation Award Tranche Eight [Member] ShareBased Compensation Award Tranche Nine [Member] ShareBased Compensation Award Tranche Ten [Member] 2012 Stock Incentive Plan [Member] Stock Award Plans [Member] Share based compensation shares authorized under stock option plans exercise price range outstanding options weighted average exercise price granted. Sharebased compensation shares authorized under stock option plans exercise price range outstanding options weighted average exercise price exercised. Sharebased compensation shares authorized under stock option plans exercise price range outstanding options weighted average exercise price forfeited. Underlying inventory. Convertible preferred stock series A [Member] Convertible preferred stock series B [Member] Operating lease expense income. Purchases of property and equipment included in accounts payable and accrued liabilities. Accrued interest receivable on investment. Systems [Member] Concentration Risk Threshold Percentage. Revenue From System Delivery and Installation [Member] Disposable revenue [Member] Royalty Revenue [Member] Stock Options and Stock Appreciation Rights [Member] Cash and cash equivalents, gross unrealized gains. Cash and cash equivalents, gross unrealized losses. Total debt securities held to maturity inclusive of cash, amortized costs. Total debt securities held to maturity inclusive of cash, gross unrealized gains. Total debt securities held to maturity inclusive of cash, gross unrealized losses. Total debt securities held to maturity inclusive of cash, fair value. Risks and uncertainties [Policy Text Block] Other Recurring Revenue [Member] Disposables Service and Accessories [Member] Customer Deposits [Member] Product Shipped Revenue Deferred [Member] Deferred Service and License Fees [Member] Unearned Restricted Shares [Member] Assets, Current Assets [Default Label] Liabilities, Current Liabilities Treasury Stock, Common, Value Equity, Attributable to Parent Liabilities and Equity Gross Profit Operating Expenses Operating Income (Loss) Preferred Stock Dividends, Income Statement Impact Shares, Outstanding Accretion (Amortization) of Discounts and Premiums, Investments Increase (Decrease) in Accounts Receivable Increase (Decrease) in Inventories Increase (Decrease) in Prepaid Expense and Other Assets Increase (Decrease) in Other Operating Assets Increase (Decrease) in Accounts Payable Increase (Decrease) in Accrued Liabilities Increase (Decrease) in Other Operating Liabilities Net Cash Provided by (Used in) Operating Activities Payments to Acquire Productive Assets Net Cash Provided by (Used in) Investing Activities Net Cash Provided by (Used in) Financing Activities Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents Restricted Cash and Cash Equivalents, Current Lessee, Operating Leases [Text Block] Restricted Cash [Default Label] CashAndCashEquivalentsAtCarryingValueGrossUnrealizedLosses Debt Securities, Held-to-Maturity, Accumulated Unrecognized Loss DebtSecuritiesHeldToMaturityInclusiveOfCashAndCashEquivalentsAtCarryingValueGrossUnrealizedLosses Inventory Valuation Reserves Prepaid Expense and Other Assets Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Lease, Cost Lessee, Operating Lease, Liability, to be Paid Lessee, Operating Lease, Liability, Undiscounted Excess Amount Operating Lease, Liability Accrued Liabilities [Default Label] Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number Share-Based Payment Arrangement, Option, Exercise Price Range, Outstanding, Weighted Average Exercise Price Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures in Period Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Standard and Extended Product Warranty Accrual, Decrease for Payments