Note 3 - Summary of Significant Accounting Policies - Property Plant and Equipment Useful Life (Details) |
Mar. 31, 2026 |
|---|---|
| Building [Member] | |
| Property, plant and equipment, useful life (Year) | 40 years |
| Equipment and Software [Member] | Minimum [Member] | |
| Property, plant and equipment, useful life (Year) | 3 years |
| Equipment and Software [Member] | Maximum [Member] | |
| Property, plant and equipment, useful life (Year) | 10 years |
| Furniture and Fixtures [Member] | Minimum [Member] | |
| Property, plant and equipment, useful life (Year) | 3 years |
| Furniture and Fixtures [Member] | Maximum [Member] | |
| Property, plant and equipment, useful life (Year) | 5 years |