Note 6 - Fair Value Measurements - Schedule of Fair Value Valuation (Details) |
Jun. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Measurement Input, Exercise Price [Member] | ||
| Derivative, measurement input | 0 | 0 |
| Measurement Input, Share Price [Member] | ||
| Derivative, measurement input | 0.8913 | 0.8138 |
| Measurement Input, Expected Term [Member] | ||
| Derivative, measurement input | 3.25 | 3.75 |
| Measurement Input, Price Volatility [Member] | ||
| Derivative, measurement input | 1.5058 | 1.4018 |
| Measurement Input, Risk Free Interest Rate [Member] | ||
| Derivative, measurement input | 0.0415 | 0.0364 |
| Measurement Input, Expected Dividend Rate [Member] | ||
| Derivative, measurement input | 0 | 0 |
| Probability of Capital Raise Below Exercise Price [Member] | ||
| Derivative, measurement input | 1 | 1 |