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Note 5 - Derivative Instruments (Details Textual) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Dec. 31, 2024
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net $ 171 $ 1,947 $ 621 $ (102)  
Derivative, Gain (Loss) on Derivative, Net 48 $ 1,691 217 $ 1,337  
Restricted Cash and Cash Equivalent $ 517   $ 517   $ 877