Note 1 - Summary of Significant Accounting Policies - Estimated Useful Lives (Details) |
Mar. 31, 2025 |
|---|---|
| Building and Building Improvements [Member] | |
| Useful life (Year) | 30 years |
| Land Improvements [Member] | Minimum [Member] | |
| Useful life (Year) | 10 years |
| Land Improvements [Member] | Maximum [Member] | |
| Useful life (Year) | 20 years |
| Machinery and Equipment [Member] | Minimum [Member] | |
| Useful life (Year) | 5 years |
| Machinery and Equipment [Member] | Maximum [Member] | |
| Useful life (Year) | 15 years |
| Furniture and Fixtures [Member] | Minimum [Member] | |
| Useful life (Year) | 3 years |
| Furniture and Fixtures [Member] | Maximum [Member] | |
| Useful life (Year) | 5 years |
| Vehicles [Member] | Minimum [Member] | |
| Useful life (Year) | 3 years |
| Vehicles [Member] | Maximum [Member] | |
| Useful life (Year) | 5 years |
| Software and Software Development Costs [Member] | Minimum [Member] | |
| Useful life (Year) | 3 years |
| Software and Software Development Costs [Member] | Maximum [Member] | |
| Useful life (Year) | 5 years |