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Note 10 - Derivative Financial Instruments - Gain (Loss) Recognized in Comprehensive Income on Derivative Financial Instruments (Details) - USD ($)
$ in Thousands
3 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Interest Rate Swap [Member]    
Unrealized gain (loss) $ 163 $ (552)
Foreign Exchange Contract [Member]    
Unrealized gain (loss) (102) 74
Unrealized gain (loss) $ 61 $ (478)