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Note 15 - Other Income - Other Income, Net (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Interest income | $ 135 | $ 486 | $ 567 | $ 1,471
Refundable tax credit | 61 | 152 | 148 | 402
Foreign currency gains (losses) | 21 | (21) | 81 | (5)
Total other income, net | $ 217 | $ 617 | $ 796 | $ 1,868

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