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Note 11 - Derivative Financial Instruments - Gain (Loss) Recognized in Comprehensive Income on Derivative Financial Instruments (Details) - USD ($)
$ in Thousands
3 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Change in unrealized gains (losses) $ (571) $ 1,152
Interest Rate Swap [Member]    
Change in unrealized gains (losses) (457) 102
Foreign Exchange Contract [Member]    
Change in unrealized gains (losses) $ (114) $ 1,050