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Note 10 - Derivative Financial Instruments - Details About Accumulated Other Comprehensive Income (Loss) Components (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2016
Dec. 31, 2015
Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member]        
Accumulated other comprehensive income (loss) component $ 83 $ 107 $ 304 $ 227
Interest Expense [Member]        
Accumulated other comprehensive income (loss) component (83) (107) (304) (227)
Interest Rate Swap [Member] | Interest Expense [Member] | Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member]        
Accumulated other comprehensive income (loss) component 110 138 229 266
Foreign Exchange Contract [Member] | Cost of Sales [Member] | Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member]        
Accumulated other comprehensive income (loss) component $ (27) $ (31) $ 75 $ (39)