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Note 1 - Summary of Significant Accounting Policies (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2024
Notes Tables |
Property, Plant and Equipment, Useful Lives [Table Text Block] |
|  | Years |
Buildings |  |  | 20 | - | 50 |
Machinery and equipment |  |  | 5 | - | 15 |
Software |  |  | 3 | - | 5 |
Property, Plant and Equipment [Table Text Block] |
|  | 2024 |  |  | 2023 |
Land |  | $ | 6,116 |  |  | $ | 6,214 |
Buildings |  |  | 123,199 |  |  |  | 121,517 |
Machinery and equipment |  |  | 229,624 |  |  |  | 227,567 |
|  |  | 358,939 |  |  |  | 355,298 |
Less accumulated depreciation |  |  | (227,117 | ) |  |  | (220,426 | )
Property, plant and equipment, net |  | $ | 131,822 |  |  | $ | 134,872 |
Schedule of Finite-Lived Intangible Assets [Table Text Block] |
|  | Years |
Technology and drawings |  |  | 13 | - | 20 |
Customer relationships |  |  | 9 | - | 20 |
Other intangibles |  |  | 2 | - | 18 |
Schedule of Product Warranty Liability [Table Text Block] |
|  | 2024 |  |  | 2023 |  |  | 2022 |
Balance at beginning of year |  | $ | 2,269 |  |  | $ | 1,973 |  |  | $ | 1,637 |
Provision |  |  | 3,017 |  |  |  | 3,655 |  |  |  | 1,590 |
Acquired |  |  | - |  |  |  | - |  |  |  | 646 |
Claims |  |  | (3,076 | ) |  |  | (3,359 | ) |  |  | (1,900 | )
Balance at end of year |  | $ | 2,210 |  |  | $ | 2,269 |  |  | $ | 1,973 |

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