Note 2 - Summary of Significant Accounting Policies - Useful Lives of Property and Equipment (Details) |
Mar. 31, 2026 |
Dec. 31, 2025 |
|---|---|---|
| TAH-Driver Equipment [Member] | Minimum [Member] | ||
| Property and equipment, useful life (Year) | 3 years | 3 years |
| TAH-Driver Equipment [Member] | Maximum [Member] | ||
| Property and equipment, useful life (Year) | 5 years | 5 years |
| Laboratory Equipment [Member] | Minimum [Member] | ||
| Property and equipment, useful life (Year) | 2 years | 2 years |
| Laboratory Equipment [Member] | Maximum [Member] | ||
| Property and equipment, useful life (Year) | 10 years | 10 years |
| Office and Computer Equipment [Member] | ||
| Property and equipment, useful life (Year) | 5 years | 5 years |