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Note 5 - Inventories - Inventories (Details) - USD ($)
$ in Thousands
Sep. 30, 2017
Jun. 30, 2017
Inventories:    
Raw materials $ 31,332 $ 32,421
Work-in-process 3,449 3,527
Finished goods 14,401 14,060
Total Inventories $ 49,182 $ 50,008