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Note 3 - Revenue - Disaggregation of Revenue by Major Categories and Geographic Location (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Net sales | $ 659,667 | $ 659,511 | $ 521,027
UNITED STATES |  |  |
Net sales | 491,516 | 497,387 | 381,306
Non-US [Member] |  |  |
Net sales | 168,151 | 162,124 | 139,721
Industrial [Member] |  |  |
Net sales | 131,479 | 136,978 | 100,826
Fire Market [Member] |  |  |
Net sales | 121,418 | 143,551 | 121,001
Agriculture [Member] |  |  |
Net sales | 82,224 | 83,053 | 57,703
Construction [Member] |  |  |
Net sales | 85,149 | 86,996 | 60,557
Municipal [Member] |  |  |
Net sales | 100,019 | 78,528 | 69,726
Petroleum [Member] |  |  |
Net sales | 24,188 | 23,168 | 16,464
OEM [Member] |  |  |
Net sales | 40,343 | 37,708 | 34,820
Repair Parts [Member] |  |  |
Net sales | $ 74,847 | $ 69,529 | $ 59,930

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