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INVENTORIES - Components (Details) - USD ($)
$ in Thousands
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2015
INVENTORIES      
Raw materials and supplies $ 7,164 $ 5,420  
Work in process 1,772 2,196  
Finished goods 3,427 5,984  
Obsolescence reserve (687) (332) $ (480)
Total inventories $ 11,676 $ 13,268