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COMPOSITION OF CERTAIN FINANCIAL STATEMENT ITEMS (Details) - USD ($)
$ in Thousands
Sep. 30, 2016
Jun. 30, 2016
Organization, Consolidation and Presentation of Financial Statements [Abstract]    
Raw materials /purchased components $ 1,378 $ 1,596
Work in process 972 818
Sub-assemblies /finished components 888 1,044
Finished goods 132 115
Total inventory $ 3,370 $ 3,573