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, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Common Stock Options/ Warrants [Member] | Location, Statement of Financial Position, Balance [Axis]: us-gaap:LongTermInvestments | ||
| Derivative financial instruments | $ 3 | $ 3 |
| Forward Contracts [Member] | Location, Statement of Financial Position, Balance [Axis]: us-gaap:PrepaidExpenseAndOtherAssetsCurrent | ||
| Derivative financial instruments | $ 223 | $ (230) |