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v3.25.3

Note 2 - Significant Accounting Policies (Details Textual) $ / shares in Units, $ in Thousands | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | ---
Sep. 30, 2025 USD ($) $ / shares shares | Sep. 30, 2024 USD ($) | Sep. 30, 2025 USD ($) $ / shares shares | Dec. 31, 2024 USD ($) | Oct. 31, 2012 $ / shares shares
Number of Operating Segments |  |  | 1 |  |
Sublease Agreement, Potential Milestone Payments | $ 579,800 |  | $ 579,800 |  |
Deferred Tax Assets, Valuation Allowance | 7,000 |  | 7,000 |  |
Restricted Cash | 2,100 |  | 2,100 | $ 2,100 |
Cash and Cash Equivalents, and Restricted Cash In Excess of Insured Limits | 54,900 |  | 54,900 |  |
Inventory, Net | 9,476 |  | $ 9,476 | $ 8,724 |
Tangible Asset Impairment Charges | $ 0 | $ 0 |  |  |
Lessee, Operating Lease, Discount Rate | 12.40% |  | 12.40% |  |
Computer Equipment [Member] |  |  |  |  |
Property, Plant and Equipment, Useful Life (Year) | 3 years |  | 3 years |  |
Telephone Equipment [Member] |  |  |  |  |
Property, Plant and Equipment, Useful Life (Year) | 3 years |  | 3 years |  |
Furniture and Fixtures [Member] |  |  |  |  |
Property, Plant and Equipment, Useful Life (Year) | 7 years |  | 7 years |  |
Europe [Member] |  |  |  |  |
Inventory, Net | $ 4,800 |  | $ 4,800 |  |
Common Stock [Member] |  |  |  |  |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares) | shares | 2,116,250 |  | 2,116,250 |  | 2,116,250
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) | $ / shares | $ 16 |  | $ 16 |  | $ 16

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