Note 2 - Summary of Significant Accounting Policies - Estimated Useful Lives of Property and Equipment (Details) |
Dec. 31, 2025 |
|---|---|
| Computer Equipment [Member] | |
| Useful Life (Year) | 5 years |
| Furniture and Fixtures [Member] | |
| Useful Life (Year) | 7 years |
| Leasehold Improvements [Member] | Minimum [Member] | |
| Useful Life (Year) | 6 years |
| Leasehold Improvements [Member] | Maximum [Member] | |
| Useful Life (Year) | 7 years |