Note 1 - Summary of Significant Accounting Policies - Estimated Useful Lives of Long-lived Assets (Details) |
Jun. 30, 2026 |
|---|---|
| Building [Member] | Minimum [Member] | |
| Property, plant, and equipment (Year) | 28 years |
| Building [Member] | Maximum [Member] | |
| Property, plant, and equipment (Year) | 40 years |
| Machinery and Equipment [Member] | Minimum [Member] | |
| Property, plant, and equipment (Year) | 3 years |
| Machinery and Equipment [Member] | Maximum [Member] | |
| Property, plant, and equipment (Year) | 10 years |
| Software, In-Development, Internally Developed, and Purchased [Member] | Minimum [Member] | |
| Property, plant, and equipment (Year) | 3 years |
| Software, In-Development, Internally Developed, and Purchased [Member] | Maximum [Member] | |
| Property, plant, and equipment (Year) | 8 years |