Note 13 - Accumulated Other Comprehensive Loss - Accumulated Other Comprehensive Loss (Details) (Parentheticals) - USD ($) $ in Thousands |
Mar. 31, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Foreign currency translation adjustment, tax | $ (312) | $ (312) |
| Unrealized gains of interest rate swap cash flow hedge, tax | 0 | 0 |
| Unrealized holding gains on available-for-sale securities, tax | (7) | (7) |
| Change in unfunded SERP liability, tax | $ 1,000 | $ 1,003 |