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Note 4 - Inventories (Details) - USD ($)
$ in Thousands
Jun. 30, 2016
Jun. 30, 2015
Inventories:    
Raw materials $ 28,979 $ 27,920
Work-in-process 4,418 4,658
Finished goods 10,744 10,505
Total Inventories $ 44,141 $ 43,083