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Note 6 - Intangible Assets and Goodwill - Intangible Assets (Details) - USD ($) | Mar. 31, 2026 | Dec. 31, 2025 | Mar. 31, 2025 | Dec. 31, 2024
--- | --- | --- | --- | ---
Intangible assets, gross | $ 30,299,703 | $ 30,299,703 | $ 8,886,972 | $ 8,706,972
Accumulated amortization | (6,336,709) | (5,356,315) | $ (3,065,798) | $ (2,847,820)
Intangible assets, net | $ 23,962,994 | 24,943,388 |  |
Developed Technology Rights [Member] |  |  |  |
Estimated economic life (Year) | 10 years |  |  |
Intangible assets, gross | $ 29,780,018 | 29,780,018 |  |
Accumulated amortization | $ (6,084,327) | (5,116,765) |  |
Licensing Agreements [Member] |  |  |  |
Estimated economic life (Year) | 10 years |  |  |
Intangible assets, gross | $ 499,952 | 499,952 |  |
Accumulated amortization | $ (238,146) | (226,063) |  |
Distribution Rights [Member] |  |  |  |
Estimated economic life (Year) | 8 years |  |  |
Intangible assets, gross | $ 19,733 | 19,733 |  |
Accumulated amortization | $ (14,236) | $ (13,487) |  |

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