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Note 12 - Derivatives and Hedging Activities - Effective Portion of the Gains and Losses on Derivative Instruments Designated (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Dec. 31, 2023
Changes in unrealized gains (losses) $ (144) $ (205) $ (339) $ (630)  
Foreign exchange forward contracts 51   51   $ 988
Foreign exchange option contracts 9   9    
Cash Flow Hedging [Member]          
Changes in unrealized gains (losses) (144) (205) (339) (630)  
Derivative assets 51   51   988
Derivative liabilities 9   9   0
Cash Flow Hedging [Member] | Foreign Exchange Option [Member]          
Changes in unrealized gains (losses) 16 (93) 16 (198)  
Foreign exchange option contracts 9   9   0
Cash Flow Hedging [Member] | Foreign Exchange Forward [Member]          
Changes in unrealized gains (losses) (160) $ (112) (355) $ (432)  
Foreign exchange forward contracts $ 51   $ 51   $ 988