Note 3 - Summary of Significant Accounting Policies - Translation Rates (Details) |
Jun. 30, 2026 |
Dec. 31, 2025 |
Jun. 30, 2025 |
|---|---|---|---|
| Closing Rate [Member] | |||
| Foreign Currency Exchange Rate, Translation | 1.33 | 1.35 | 1.37 |
| Quarterly Average Rate [Member] | |||
| Foreign Currency Exchange Rate, Translation | 1.34 | 1.33 | 1.34 |
| Yearly Average Rate [Member] | |||
| Foreign Currency Exchange Rate, Translation | 1.3 | 1.32 | 1.3 |