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Note 5 - Inventories - Inventories (Details) - USD ($)
$ in Thousands
Dec. 31, 2016
Jun. 30, 2016
Inventories:    
Raw materials $ 27,638 $ 28,979
Work-in-process 4,108 4,418
Finished goods 10,658 10,744
Total Inventories $ 42,404 $ 44,141