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Property and Equipment, net (Details) - USD ($)
$ in Thousands
Jun. 30, 2016
Jun. 30, 2015
Property, Plant and Equipment [Line Items]    
Leasehold improvements $ 2,750 $ 2,723
Machinery and equipment 15,000 14,075
Property, Plant and Equipment, Gross, Total 17,750 16,798
Less: Accumulated depreciation (14,689) (14,350)
Property, Plant and Equipment, Net, Total $ 3,061 $ 2,448