Inventory (Schedule of Components of Inventory) (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Jun. 30, 2016
Inventory [Abstract]
Component parts	$ 4,399	$ 5,054
Work in process	2,464	3,461
Finished goods	3,777	3,657
Total	10,640	12,172
Inventory, net of reserves	$ 1,998	$ 1,608