Equity Components [Axis] Common Stock [Member] Additional Paid-in Capital [Member] Treasury Stock, Common [Member] Retained Earnings [Member] Product and Service [Axis] Product [Member] Product Revenue [Member] Service [Member] Service Revenue [Member] Customer [Axis] US Customer [Member] Concentration Risk Type [Axis] Customer Concentration Risk [Member] Concentration Risk Benchmark [Axis] Revenue Benchmark [Member] US Customer One [Member] China Customer [Member] China Customer One [Member] Accounts Receivable [Member] US Customer Two [Member] US Customer Three [Member] Customer Four [Member] Geographical [Axis] UNITED STATES CHINA KOREA, REPUBLIC OF GEORGIA, REPUBLIC OF Other [Member] Antidilutive Securities [Axis] Earnings Per Share [Member] Restricted Stock Awards [Member] Stock Options [Member] Long-Lived Asset, Class [Axis] Equipment [Member] Statistical Measurement [Axis] Minimum [Member] Maximum [Member] F D A Program Equipment [Member] Tradeshow And Demo Equipment [Member] Computer Equipment [Member] Research and Development Arrangement [Member] Lender Name [Axis] CNB Credit Facility [Member] Initial Term [Member] Restricted Commitment [Member] Variable Rate [Axis] Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] Remaining Commitment [Member] Intangible Asset, Finite-Lived, Class [Axis] Operating Lease Agreements [Member] Plan Name [Axis] Equity Incentives Plan 2016 [Member] Equity Incentives Plan 2017 [Member] Equity Incentive Plan [Member] Award Type [Axis] Restricted Common Stock [Member] Equity Incentive Plan December 19, 2022 [Member] Vesting [Axis] Immediately Vested [Member] One Year Vested [Member] Three Year Vesting [Member] Four Year Vesting [Member] Equity Incentive Plan December 17, 2024 [Member] Restricted Stock [Member] Equity Option [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, restricted cash, and cash equivalents Accounts receivable, net Inventories Prepaid inventory Other current assets Total current assets Property and equipment, net Deferred tax asset Operating lease right-of-use assets, net Other noncurrent assets Total assets Liabilities and stockholders’ equity Current liabilities Accounts payable and accrued expenses Product warranties Operating lease liabilities, current portion Deferred revenue, current portion Total current liabilities Operating lease liabilities Deferred revenue, net of current portion Total liabilities Commitments and contingencies Stockholders’ equity Preferred stock, 5,000,000 shares authorized and none issued and outstanding Common stock, $0.01 par value – 50,000,000 authorized; 17,055,095 issued and 16,462,059 outstanding at June 30, 2026;  17,056,845 issued and 16,463,809 outstanding at December 31, 2025 Additional paid-in capital Treasury stock, 593,036 shares at cost, at June 30, 2026 and December 31, 2025 (Accumulated deficit) retained earnings Total stockholders’ equity Total liabilities and stockholders’ equity Preferred stock, shares authorized Preferred stock, shares issued Preferred stock, shares outstanding Common stock, par value (in dollars per share) Common stock, authorized Common stock, issued Common stock, outstanding Treasury stock, common, shares Income Statement [Abstract] Revenues Cost of sales Gross profit Operating expenses General and administrative Selling and marketing Research and development Total operating expenses Loss from operations Other income: Interest income, net Other income, net Loss before income tax Provision for (benefit from) income taxes Net loss Net loss per share – basic Net loss per share - diluted Weighted average number of shares used in computing net loss per share - basic Weighted average number of shares used in computing net loss per share - diluted Statement [Table] Statement [Line Items] Beginning balance, value Beginning balance (in shares) Stock-based compensation Forfeitures of restricted stock awards Forfeitures of restricted stock awards (in shares) Stock repurchase Stock repurchase (in shares) Net loss Ending balance, value Ending balance (in shares) Statement of Cash Flows [Abstract] Cash flows from operating activities Adjustments to reconcile net loss to net cash, restricted cash, and cash equivalents (used in) provided by operating activities: Depreciation Amortization of right-of-use asset Provision for product warranties Stock-based compensation Deferred income taxes Changes in operating assets and liabilities: Accounts receivable Inventories Prepaid inventory Other current assets Other noncurrent assets Accounts payable and accrued expenses Operating lease liability Deferred revenue Product warranties Net cash (used in) provided by operating activities Cash flows from investing activities Acquisition of property and equipment Net cash used in investing activities Cash flows from financing activities Repurchase of common stock Net cash used in financing activities Net (decrease) increase in cash, restricted cash, and cash equivalents Cash, restricted cash, and cash equivalents – beginning of period Cash, restricted cash, and cash equivalents – end of period Supplemental disclosure of cash flow information: Interest paid Income tax paid Supplemental schedule of noncash investing and financing transactions: Transfer of inventory to property and equipment Lease liability arising from obtaining right-of-use-assets Pay vs Performance Disclosure [Table] Executive Category [Axis] Individual [Axis] Adjustment to Compensation [Axis] Measure [Axis] Pay vs Performance Disclosure, Table Company Selected Measure Name Named Executive Officers, Footnote Peer Group Issuers, Footnote Changed Peer Group, Footnote PEO Total Compensation Amount PEO Actually Paid Compensation Amount Adjustment To PEO Compensation, Footnote Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Compensation Actually Paid Amount Adjustment to Non-PEO NEO Compensation Footnote Equity Valuation Assumption Difference, Footnote Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Company Selected Measure Total Shareholder Return Vs Peer Group Compensation Actually Paid vs. Other Measure Tabular List, Table Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Net Income (Loss) Company Selected Measure Amount Other Performance Measure, Amount Adjustment to Compensation, Amount PEO Name Name Non-GAAP Measure Description Additional 402(v) Disclosure Pension Benefits Adjustments, Footnote Equity Awards Adjustments, Footnote Erroneously Awarded Compensation Recovery [Table] Restatement Determination Date [Axis] Restatement Determination Date Aggregate Erroneous Compensation Amount Erroneous Compensation Analysis Stock Price or TSR Estimation Method Outstanding Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Not Yet Determined Name Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery, Explanation of Impracticability Name Compensation Amount Restatement does not require Recovery Awards Close in Time to MNPI Disclosures [Table] Award Timing MNPI Disclosure Award Timing Method Award Timing Predetermined Award Timing MNPI Considered Award Timing, How MNPI Considered MNPI Disclosure Timed for Compensation Value Awards Close in Time to MNPI Disclosures, Table Name Underlying Securities Exercise Price Fair Value as of Grant Date Underlying Security Market Price Change Trading Arrangements, by Individual [Table] Trading Arrangement [Axis] Material Terms of Trading Arrangement Name Title Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted Adoption Date Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated Termination Date Expiration Date Arrangement Duration Aggregate Available Insider Trading Policies and Procedures [Line Items] Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Not Adopted Accounting Policies [Abstract] Organization and Summary of Significant Accounting Policies Property, Plant, and Equipment [Abstract] Property and Equipment Debt Disclosure [Abstract] Debt Guarantees and Product Warranties [Abstract] Product Warranties Leases Leases Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Equity [Abstract] Stockholders’ Equity Share-Based Payment Arrangement [Abstract] Equity-based Compensation Income Tax Disclosure [Abstract] Income Taxes Segment Reporting [Abstract] Segment Reporting Subsequent Events [Abstract] Subsequent Events Description of the Business Basis of Presentation and Principles of Consolidation Use of Estimates Revenue Recognition Concentration Geographical Information Fair Value of Financial Instruments Fair Value Measurements Cash, Restricted Cash, and Cash Equivalents Accounts Receivable Inventories Earnings Per Share Leases Income Taxes Recent Accounting Pronouncements Schedule of Total Revenue Schedule of Deferred Revenue Schedule of Remaining Performance Obligations Schedule of Total Revenue by geographic region Schedule of Earnings Per Share Computation Schedule of Property and Equipment Schedule of Changes in Product Warranty Liability Schedule of Maturity of Operating Lease Liability Schedule of Operating Lease Income Schedule of Received Lease Agreements Schedule of Restricted Stock Activity Schedule of Stock Option Activity Nature of Operation, Product Information, Concentration of Risk [Table] Product Information [Line Items] Total Revenue Beginning Balance Revenue recognized Amounts invoiced Ending Balance 2026 (July 1 - December 31, 2026) 2027 Total Percentage of Total Revenue Antidilutive Security, Excluded EPS Calculation [Table] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Net loss per share - basic Dilutive effects of Restricted stock awards Antidilutive securities Concentration Risk, Percentage Concentration Risk, Percentage Restricted cash totaled Allowance for expected credit losses Credit loss expense Revenues from non-lease components Property, Plant, and Equipment [Table] Property, Plant, and Equipment [Line Items] Property and Equipment, Gross Property, Plant, and Equipment, Useful Life Construction in progress Less accumulated depreciation Property and Equipment, Net Depreciation Expense Line of Credit Facility [Table] Line of Credit Facility [Line Items] Credit Facility Available Commitment Debt Interest Rate Restricted Cash Balance, December 31, 2025 Warranties accrued during the period Payments on warranty claims Balance, June 30, 2026 Schedule Of Maturity Of Operating Lease Liability 2026 (July 1 - December 31, 2026) 2027 Total undiscounted operating leases payments Less: Imputed interest Present Value of Operating Lease Liability Operating lease liability, current portion Operating lease liability, net of current portion Schedule Of Operating Lease Income Lease income - operating leases - fixed payments Lease income - operating leases - variable payments Total 2026 (July 1 - December 31) 2027 2028 2029 Thereafter Total  Intangible Asset, Finite-Lived [Table] Intangible Asset, Finite-Lived [Line Items] Operating Lease Right-of-Use Asset Amortization Expense Cash Paid for Amounts Included in Measurement of Operating Lease Liability Operating Lease, Cost Payment of Inventory Finished Goods Finished Goods Received Prepaid inventory Preferred Stock, Shares Authorized Stock Repurchased During Period, Shares Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Restricted Stock, Number, Beginning Balance Weighted Average Grant Date Fair Value of Restricted Stock, Price per Share, Beginning Balance Restricted Stock, Number, Granted Weighted-Average Grant Date Fair Value of Restricted Stock, Price per Share, Granted Restricted Stock, Number, Vested Weighted-Average Grant Date Fair Value of Restricted Stock, Price per Share, Vested Restricted Stock, Number, Forfeited Weighted-Average Grant Date Fair Value of Restricted Stock, Price per Share, Forfeited Restricted Stock, Number, Ending Balance Weighted Average Grant Date Fair Value of Restricted Stock, Price per Share, Ending Balance Number of Options, Beginning Balance Weighted Average Exercise Price, Beginning Balance Weighted-Average Remaining Contractual Term (in Years) Number of Options, Granted Weighted Average Exercise Price, Granted Number of Options, Exercised Weighted Average Exercise Price, Exercised Number of Options, Expired Weighted Average Exercise Price, Expired Number of Options, Ending Balance Weighted Average Exercise Price, Ending Balance Number of Options, Exercisable Weighted Average Exercise Price, Exercisable Weighted-Average Remaining Contractual Term Exercisable (in Years) Issuance of shares under 2016 Equity Incentive Plan Increase issuance shares under 2017 Incentive Plan Shares available to be granted under the Plans Restricted common stock shares awarded Restricted stock vesting percentage Restricted stock grant date fair value per share Unvested shares of common stock forfeited Shares issued that were vested or forfeited Restricted stock grant date fair value per share Shares vested Stock compensation expense related to forfeitures Stock compensation expense related to restricted stock Unrecognized stock compensation expense Weighted-average period of unrecognized stock compensation expense Intrinsic value Income tax expense (benefit) Effective tax rates The element represents product revenue member. The element represents service revenue member. The element represents contract with customer liability amounts invoiced. The element represents revenue remaining performance obligation next twelve months. The element represents revenue remaining performance obligation year two. The element represents customer one member. The element represents us customer member. The element represents concentration of risk percentage. The element represents china customer member. The element represents us customer one member. The element represents china customer one member. The element represents us customer three member. The element represents us customer four member. The element represents customer member. The element represents geographical information policy text block. The element represents other member. The element represents total revenue percentage. The element represents earnings per share member. The element represents restricted stockawards member. The element represents stock options member. The element represents revenues from nonlease components. The element represents tradeshow and demo equipment member. The element represents f d a program equipment member. The element represents c n b credit facility member. The element represents initial term member. The element represents restricted commitment member. The element represents remaining commitment member. The element represents products warranty accrual. The element represents operating lease agreements member. The element represents payment of inventory finished goods. The element represents finished goods received. The element represents equity incentive plan member. The element represents restricted vest percentage. The element represents share based arrangemen tby reamaining shares. The element represents stock based compensation expense benefit due to forfeitures. The element represents provision for product warranties. The element represents increase decrease product warranties. The element represents lease liability arising from obtaining right of use asset. The element represents net transfers from inventory to fixed assets. The element represents transfer of inventory to property and equipment. The element represents immediately vested member. The element represents three year vesting member. The element represents four year vesting member. The element represents restricted common stock member. The element represents share based compensation arrangement by share based payment award equity instruments other than options vested or forfeited. The element represents equity incentive plan december 17, 2024 member. The element represents equity incentive plan december 19, 2022 member. The element represents one year vested member. The element represents equity incentives plan 2016 member. The element represents equity incentives plan 2017 member. The element represents us customer twomember. Assets, Current Assets [Default Label] Liabilities, Current Liabilities Treasury Stock, Value Equity, Attributable to Parent Liabilities and Equity Gross Profit Operating Expenses Operating Income (Loss) Other Nonoperating Income (Expense) Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Shares, Outstanding Treasury Stock, Value, Acquired, Cost Method Provision For Product Warranties Share-Based Payment Arrangement, Noncash Expense Increase (Decrease) in Accounts Receivable Increase (Decrease) in Inventories Increase (Decrease) in Prepaid Expense Increase (Decrease) in Other Current Assets Increase (Decrease) in Other Noncurrent Assets Increase (Decrease) in Accounts Payable and Accrued Liabilities Increase Decrease Product Warranties Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Payments to Acquire Property, Plant, and Equipment Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Payments for Repurchase of Common Stock Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Excluding Exchange Rate Effect, Including Discontinued Operation Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Forgone Recovery, Individual Name Outstanding Recovery, Individual Name Awards Close in Time to MNPI Disclosures, Individual Name Trading Arrangement, Individual Name Lessee, Operating Leases [Text Block] Inventory, Policy [Policy Text Block] Lessee, Leases [Policy Text Block] Income Tax, Policy [Policy Text Block] Concentration Of Risk Percentage Property, Plant, and Equipment, Accumulated Depreciation, Depletion, and Amortization Standard and Extended Product Warranty Accrual, Decrease for Payments Lessee, Operating Lease, Liability, to be Paid, Year One Lessee, Operating Lease, Liability, to be Paid, Year Two Lessee, Operating Lease, Liability, Undiscounted Excess Amount Lease Income Lessor, Operating Lease, Payment to be Received, Year Two Other Prepaid Expense, Current 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, Options, Outstanding, Number Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price