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Note 10 - Derivatives and Hedging Activities - Effective Portion of the Gains and Losses on Derivative Instruments Designated (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Changes in unrealized gains (losses) $ 1,249 $ (74) $ 16
Cash Flow Hedging [Member]      
Changes in unrealized gains (losses) 1,249 (74) 16
Cash Flow Hedging [Member] | Foreign Exchange Option [Member]      
Changes in unrealized gains (losses) 283 41 (265)
Cash Flow Hedging [Member] | Foreign Exchange Forward [Member]      
Changes in unrealized gains (losses) $ 966 $ (115) $ 281