Note 9 - Property, Plant and Equipment - Cost and Accumulated Depreciation of Property and Equipment (Details) - USD ($) $ in Thousands |
Mar. 31, 2026 |
Mar. 31, 2025 |
|---|---|---|
| Property, plant and equipment, gross | $ 140,487 | $ 88,964 |
| Less accumulated depreciation | (50,712) | (50,392) |
| Property, plant and equipment, net | 89,775 | 38,572 |
| Land [Member] | ||
| Property, plant and equipment, gross | 37,770 | 22,650 |
| Construction in Progress [Member] | ||
| Property, plant and equipment, gross | 1,482 | 1,371 |
| Building [Member] | ||
| Property, plant and equipment, gross | 30,989 | 7,528 |
| Equipment and Software [Member] | ||
| Property, plant and equipment, gross | 60,030 | 47,774 |
| Furniture and Fixtures [Member] | ||
| Property, plant and equipment, gross | 1,940 | 1,672 |
| Leasehold Improvements [Member] | ||
| Property, plant and equipment, gross | $ 8,276 | $ 7,969 |