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Note 9 - Debt - Schedule of Debt Issuance Costs and Discounts (Details) - USD ($) $ in Thousands | Sep. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Less: accumulated amortization | $ (5,119) | $ (4,454)
Included in current portion of debt | 291 | 956
Athyrium Notes [Member] |  |
Debt issuance costs and discounts | $ 5,410 | $ 5,410

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