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Note 4 - Fair Value Measurements - Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - Fair Value, Recurring [Member] - USD ($) $ in Thousands | Jun. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Total financial assets | $ 3,756 | $ 4,114
Total financial liabilities |  | (94)
Fair Value, Inputs, Level 1 [Member] |  |
Total financial assets | 3,278 | 3,282
Total financial liabilities |  | 0
Fair Value, Inputs, Level 2 [Member] |  |
Total financial assets | 478 | 832
Total financial liabilities |  | (94)
Fair Value, Inputs, Level 3 [Member] |  |
Total financial assets | 0 | 0
Total financial liabilities |  | 0
Deferred Compensation Plan [Member] |  |
Deferred compensation plan | 3,655 | 3,784
Deferred Compensation Plan [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Deferred compensation plan | 3,278 | 3,282
Deferred Compensation Plan [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Deferred compensation plan | 377 | 502
Deferred Compensation Plan [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Deferred compensation plan | 0 | 0
Foreign Exchange Forward [Member] |  |
Derivative assets | 18 | 143
Derivative liabilities | (384) | (6)
Foreign Exchange Forward [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Derivative assets | 0 | 0
Derivative liabilities | 0 | 0
Foreign Exchange Forward [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Derivative assets | 18 | 143
Derivative liabilities | (384) | (6)
Foreign Exchange Forward [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Derivative assets | 0 | 0
Derivative liabilities | 0 | 0
Interest Rate Swap [Member] |  |
Derivative assets | 83 | 187
Derivative liabilities |  | (88)
Interest Rate Swap [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Derivative assets | 0 | 0
Derivative liabilities |  | 0
Interest Rate Swap [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Derivative assets | 83 | 187
Derivative liabilities |  | (88)
Interest Rate Swap [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Derivative assets | $ 0 | 0
Derivative liabilities |  | $ 0

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