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Note 6 - Property, Plant and Equipment | 3 Months Ended
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Mar. 31, 2024
Notes to Financial Statements |
Property, Plant and Equipment Disclosure [Text Block] |
6. | Property, plant and equipment
​ Property, plant and equipment are summarized as follows: ​ ​
|  | March 31, |  |  | December 31, |
|  | 2024 |  |  | 2023 |
Land |  | $ | 3,969 |  |  | $ | 3,969 |
Land improvements |  |  | 5,610 |  |  |  | 5,589 |
Leasehold improvements |  |  | 6,582 |  |  |  | 6,582 |
Buildings |  |  | 36,732 |  |  |  | 36,719 |
Machinery and equipment |  |  | 79,370 |  |  |  | 79,065 |
Furniture and fixtures |  |  | 26,597 |  |  |  | 25,920 |
Mobile equipment and other |  |  | 5,183 |  |  |  | 5,287 |
Construction-in-process |  |  | 3,597 |  |  |  | 5,125 |
Total property, plant and equipment |  |  | 167,640 |  |  |  | 168,256 |
Less accumulated depreciation |  |  | (103,460 | ) |  |  | (100,916 | )
Property, plant and equipment, net |  | $ | 64,180 |  |  | $ | 67,340 |

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