Note 16 - Subsequent Events	12 Months Ended
Dec. 31, 2024
Notes to Financial Statements
Subsequent Events [Text Block]	16. Subsequent Events Amendment to the SLR Credit Agreement On March 10, 2025, the Credit Parties and SLR entered into the Fourth Amendment to the SLR Credit Agreement, (the "Fourth Amendment") which, among other things, required that the Company raise at least $5,000 of additional capital by March 20, 2025 (refer below for details on the capital raise). In addition, the Fourth Amendment waived non-compliance with the financial covenants as of December 31, 2024, extended the duration of the call protection applicable to the loans, and modified the financial covenants. Private Placement On March 19, 2025, the Company entered into securities purchase agreements (the "March Purchase Agreements") with certain accredited investors (the "March Purchasers"), a majority of whom were related parties, pursuant to which the Company agreed to sell the March Purchasers unregistered pre-funded warrants (the "March Pre-Funded Warrants") to purchase up to 2,332,104 shares of our common stock, at a purchase price of $2.174 per March Pre-Funded Warrant. The March Pre-Funded Warrants will have an exercise price of $0.005 per share of common stock, will be immediately exercisable after stockholder approval and will terminate when exercised in full. The March Purchasers include three directors and/or officers of the Company, the Company's largest shareholder, and institutional investor. No underwriting discounts or commissions were paid with respect to the March Purchase Agreement. The aggregate gross proceeds totaled $5,070, before deducting offering expenses payable by the Company of $70. The exercise of the March Pre-Funded Warrants is subject to stockholder approval, which the Company will seek to obtain at the 2025 Annual Meeting of Stockholders. The Company is obligated to use its reasonable best efforts to obtain such stockholder approval of the exercise of the officers' and/or directors' March Pre-Funded Warrants at the 2025 Annual Meeting of Stockholders. In connection with the offering, the Company entered into a First Amendment to Support Agreement (the "First Amendment to Support Agreement") with each of the March Purchasers. Pursuant to the Support Agreement, as amended, the March Purchasers agreed to vote their shares of the Company's common stock beneficially owned by them in favor of certain actions at any meeting of the Company’s stockholders. Amendment to the Sublease On March 19, 2025, the Company entered into a Second Amendment to Sublease (the "Sublease Amendment") with sublandlord Virtu KCG Holdings LLC to reduce the monthly payments for the Company Headquarters effective as of the date of such amendment. The Sublease Amendment is currently pending the landlord's consent, which, if obtained, would extend the term of the sublease by four years from the Commence Date (as such term is defined in the Sublease Agreement) of the Sublease Agreement and reduce the subleased premises by 42%.

Note 16 - Subsequent Events

12 Months Ended

Dec. 31, 2024

16. Subsequent Events

Amendment to the SLR Credit Agreement

On March 10, 2025, the Credit Parties and SLR entered into the Fourth Amendment to the SLR Credit Agreement, (the "Fourth Amendment") which, among other things, required that the Company raise at least $5,000 of additional capital by March 20, 2025 (refer below for details on the capital raise). In addition, the Fourth Amendment waived non-compliance with the financial covenants as of December 31, 2024, extended the duration of the call protection applicable to the loans, and modified the financial covenants.

Private Placement

On March 19, 2025, the Company entered into securities purchase agreements (the "March Purchase Agreements") with certain accredited investors (the "March Purchasers"), a majority of whom were related parties, pursuant to which the Company agreed to sell the March Purchasers unregistered pre-funded warrants (the "March Pre-Funded Warrants") to purchase up to 2,332,104 shares of our common stock, at a purchase price of $2.174 per March Pre-Funded Warrant. The March Pre-Funded Warrants will have an exercise price of $0.005 per share of common stock, will be immediately exercisable after stockholder approval and will terminate when exercised in full. The March Purchasers include three directors and/or officers of the Company, the Company's largest shareholder, and institutional investor. No underwriting discounts or commissions were paid with respect to the March Purchase Agreement.

The aggregate gross proceeds totaled $5,070, before deducting offering expenses payable by the Company of $70. The exercise of the March Pre-Funded Warrants is subject to stockholder approval, which the Company will seek to obtain at the 2025 Annual Meeting of Stockholders. The Company is obligated to use its reasonable best efforts to obtain such stockholder approval of the exercise of the officers' and/or directors' March Pre-Funded Warrants at the 2025 Annual Meeting of Stockholders. In connection with the offering, the Company entered into a First Amendment to Support Agreement (the "First Amendment to Support Agreement") with each of the March Purchasers. Pursuant to the Support Agreement, as amended, the March Purchasers agreed to vote their shares of the Company's common stock beneficially owned by them in favor of certain actions at any meeting of the Company’s stockholders.

Amendment to the Sublease

On March 19, 2025, the Company entered into a Second Amendment to Sublease (the "Sublease Amendment") with sublandlord Virtu KCG Holdings LLC to reduce the monthly payments for the Company Headquarters effective as of the date of such amendment. The Sublease Amendment is currently pending the landlord's consent, which, if obtained, would extend the term of the sublease by four years from the Commence Date (as such term is defined in the Sublease Agreement) of the Sublease Agreement and reduce the subleased premises by 42%.