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Note 5 - Derivative Instruments (Details Textual) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Dec. 31, 2024
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net $ 617 $ 1,414 $ 450 $ (2,050)  
Derivative, Gain (Loss) on Derivative, Net 77 $ 836 169 $ 354  
Restricted Cash and Cash Equivalent $ 18   $ 18   $ 877