Note 10 - Derivative Contracts - Summary of Fair Values and Presentation of Derivatives Financial Instruments (Details) - Not Designated as Hedging Instrument [Member] - USD ($) $ in Thousands |
Jun. 30, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Common Stock Options/ Warrants [Member] | Investment, Net [Member] | ||
| Derivative financial instruments | $ 3 | $ 3 |
| Foreign Exchange Forward [Member] | Accrued Expenses [Member] | ||
| Derivative financial instruments | $ (180) | $ 0 |