Note 2 - Summary of Significant Accounting Policies - Useful Life of Property and Equipment (Details) |
Dec. 31, 2025 |
|---|---|
| Machinery and Equipment [Member] | Minimum [Member] | |
| Property and equipment, useful life (Year) | 2 years |
| Machinery and Equipment [Member] | Maximum [Member] | |
| Property and equipment, useful life (Year) | 5 years |
| Computer Equipment [Member] | Minimum [Member] | |
| Property and equipment, useful life (Year) | 1 year |
| Computer Equipment [Member] | Maximum [Member] | |
| Property and equipment, useful life (Year) | 5 years |
| LockeT Animation Video [Member] | |
| Property and equipment, useful life (Year) | 3 years |
| VIVO DEMO and Clinical Systems [Member] | Minimum [Member] | |
| Property and equipment, useful life (Year) | 1 year |
| VIVO DEMO and Clinical Systems [Member] | Maximum [Member] | |
| Property and equipment, useful life (Year) | 5 years |