Note 8 - Property, Plant and Equipment - Property, Plant and Equipment Components (Details) - USD ($) $ in Thousands |
Dec. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Gross property, plant and equipment | $ 78,957 | $ 76,330 |
| Finance lease, right-of-use asset, gross | 5,575 | 6,910 |
| Finance lease, right-of-use, accumulated depreciation | (612) | (3,610) |
| Finance lease, right-of-use, net | 4,963 | 3,300 |
| Accumulated depreciation | (62,953) | (63,031) |
| Property plant and equipment, net | 16,004 | 13,299 |
| Land and Land Improvements [Member] | ||
| Gross property, plant and equipment | 0 | 43 |
| Building and Building Improvements [Member] | ||
| Gross property, plant and equipment | 6,498 | 7,781 |
| Finance lease, right-of-use asset, gross | 3,725 | 2,908 |
| Machinery, Equipment, Furniture and Fixtures [Member] | ||
| Gross property, plant and equipment | 71,999 | 67,636 |
| Finance lease, right-of-use asset, gross | 1,850 | 4,002 |
| Construction in Progress [Member] | ||
| Gross property, plant and equipment | $ 460 | $ 870 |