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COMPOSITION OF CERTAIN FINANCIAL STATEMENT ITEMS (Details) - USD ($)
$ in Thousands
Dec. 31, 2015
Jun. 30, 2015
Organization, Consolidation and Presentation of Financial Statements [Abstract]    
Raw materials / purchased components $ 2,112 $ 2,025
Work in process 924 1,030
Sub-assemblies / finished components 1,189 1,095
Finished goods 256 160
Total inventory $ 4,481 $ 4,310