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Proceeds from exercise of warrants, net of cash fees, and deposit for stock issuance (in other current liabilities) Proceeds from issuance of common stock in connection with ATM, net of fees Proceeds from issuance of warrants in connection with exercise of warrants Purchase of common stock into treasury Proceeds from issuance of common stock in connection with exercise of warrants Principal payment on debt Net cash provided by financing activities Net increase in cash and cash equivalents Cash and cash equivalents at beginning of year Cash and cash equivalents at end of year Noncash investing and financing activities Reduction of derivative liability upon exercise of warrants Deemed dividend related to warrant inducement and issuance of warrants Right of use asset for amended lease liability – decrease Debt issued for prepaid insurance Agent warrant offering cost allocated to equity Supplemental cash flow information Cash paid for interest Pay vs Performance Disclosure [Table] 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Fair value measurement with unobservable inputs reconciliation recurring basis liability period other. Black-Scholes-Merton Valuation Model [Member] Series D Convertible Preferred Stock [Member] Accrued payable current. Amor exit costs. Reduction in force amount. Grant expenses. Change in fair value of derivative liabilities. Offering costs associated with derivative warrant liabilities. Deemed dividend related to warrant inducement. Financed insurance premium. Insurance Premium Finance Arrangements [Member] Up front insurance premium. Director and Officer Professional Liability Insurance [Member] Basic – deemed dividend related to warrant inducement. Diluted – deemed dividend related to warrant inducement. Issuance of common stock from the exercise of prefunded warrants for cash. Issuance of common stock from the exercise of warrants for cash, shares. 2025 ATM Agreement [Member] Extinguishment of derivative liabilities upon exercise of warrants. Stock issued during period shares cashless exercise of warrants. Stock issued during period value reverse stock splits. Inducement Letter [Member] Stock issued during period value cashless exercise of warrants. Pre-Funded Warrant [Member] 2024 April Registered Offering [Member] 2024 March Registered Offering [Member] 2024 February Registered Offering [Member] Class E Warrants [Member] Class F Warrants [Member] Stock based compensation non employee. Disposal of property and equipment net of cash received. Proceeds from acquisation of sinaptic surgical. Proceeds from notes receivable net of imputed interest. Proceeds from exercise of warrants, net of cash fees, and deposit for stock issuance (in other current liabilities). Proceeds from issuance of common stock in connection with exercise of warrants Deemed dividend related to warrant inducement and issuance of warrants. Right of use asset for amended lease liability decrease. Debt issued for prepaid insurance. Agent warrant offering cost allocated to equity. Reduction of derivative liability upon exercise of warrants. Proceeds from issuance of common stock in connection with ATM, net of fees. Common Unit [Member] Pre Funded Warrant Unit [Member] Class E and F Warrants [Member] Class E Warrant [Member] Class F Warrant [Member] Pre-funded Warrants [Member] Reimbursement of expenses and legal fees Public offering units. 2023 Registered Offering [Member] Class C and Class D Warrants [Member] Class D Warrant [Member] Class C Warrant [Member] Proceeds from issuance of common stock and prefunded warrants. Common Stock and Prefunded Warrants [Member] Proceeds allocated to derivative liabilities. Derivative Liabilities for Common Stock Warrants [Member] Agent Warrant Offering [Member] Share based compensation arrangement by granted share based payment award options outstanding weighted average remaining contractual term 2. Employee Stock Grants [Member] Deferred tax assets capitalized research expenses. Deferred tax assets right of use asset. Schedule of Tax Based on Income [Table Text Block] Tax Year 2026 [Member] Tax Year 2027 [Member] Tax Year 2028 [Member] Tax Year 2029 [Member] Tax Year 2030 To 2037 [Member] Reverse Stock Split [Policy Text Block] Tax Year Indefinite Life [Member] Liquidity and Capital Resources [Policy Text Block] Armor Facility [Member] Three Commercial Customer and Government Agencies [Member] Leasehold improvements useful lives description. Receivables Trade and Other Accounts Receivable Allowance for Doubtful Accounts [Policy Text Block] Schedule of US Federal Statutory Rate And Taxes [Table Text Block] Income tax reconciliation deferred adjustments. Effective income tax rate reconciliation nondeductible deferred adjustments. Disposition [Policy Text Block] Net loss basic calculation. Deemed dividend related to warrant inducement basic calculation. 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Business combination recognized identifiable assets acquired and liabilities assumed current assets property plant and equipment net. Business combination recognized identifiable assets acquired and liabilities assumed capital accrued expenses. Income tax reconciliation deferred tax adjustments. Sinaptic Surgical [Member] Sinaptic Holdings LLC [Member] Common Stock Private Placement [Member] Warrants [Member] Incometax reconciliation change in unrecognized tax benefits. Incometax reconciliation change in value warrants. Incometax reconciliation state tax expense net of federal benefit. Effective income tax rate reconciliation change in value warrants. Effective income tax rate reconciliation changein unrecognized tax benefits. Schedule of Income Taxes Paid [Table Text Block] Research and development tax credits. Effective income tax rate reconciliation research and development tax credits. 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of Debt Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Including Discontinued Operation Forgone Recovery, Individual Name Outstanding Recovery, Individual Name Awards Close in Time to MNPI Disclosures, Individual Name Trading Arrangement, Individual Name Inventory Disclosure [Text Block] Debt Disclosure [Text Block] Lessee, Operating Leases [Text Block] Inventory, Policy [Policy Text Block] Property, Plant and Equipment, Policy [Policy Text Block] Lessee, Leases [Policy Text Block] Income Tax, Policy [Policy Text Block] Share-Based Payment Arrangement [Policy Text Block] Business Combination, Recognized Asset Acquired, Inventory, Current 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Amount