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Note 3 - Acquisition - Intangible Assets (Details) - Alfamation [Member] - USD ($) $ in Thousands |  | 12 Months Ended
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Mar. 12, 2024 | Dec. 31, 2024
Finite-lived intangible assets | $ 11,365 | $ 11,365
Indefinite-lived intangible assets |  | $ 1,967
Total intangible assets | 13,332 |
Trade Names [Member] |  |
Indefinite-lived intangible assets | 1,967 |
Customer Relationships [Member] |  |
Finite-lived intangible assets | $ 8,196 |
Useful life (Year) | 20 years |
Technology-Based Intangible Assets [Member] |  |
Finite-lived intangible assets | $ 3,169 |
Useful life (Year) | 10 years |

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