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Composition of Certain Financial Statement Items (Details) - USD ($)
$ in Thousands
Jun. 30, 2015
Jun. 30, 2014
Organization, Consolidation and Presentation of Financial Statements [Abstract]    
Raw materials/purchased components $ 2,025 $ 878
Work in process 1,030 525
Sub-assemblies / finished components 1,095 823
Finished goods 160 374
Total inventory $ 4,310 $ 2,600