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Note 6 - Intangible Assets and Goodwill - Summary of Intangible Assets (Details) - USD ($) $ in Thousands | Sep. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Amortizable intangible assets, gross | $ 3,694 | $ 2,687
Accumulated amortization | (778) | (462)
Total amortizable | 2,916 | 2,225
Indefinite life assets (non-amortizable) | 403 | 344
Total intangible assets, net | 3,319 | 2,569
Patents [Member] |  |
Amortizable intangible assets, gross | 841 | 575
Trademarks [Member] |  |
Amortizable intangible assets, gross | 241 | 150
Computer Software, Intangible Asset [Member] |  |
Amortizable intangible assets, gross | $ 2,452 | $ 1,962

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