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Inventory (Schedule Of Components Of Inventory) (Details) - USD ($)
$ in Thousands
Jun. 30, 2017
Jun. 30, 2016
Inventory [Abstract]    
Component parts $ 4,445 $ 5,054
Work in process 3,864 3,461
Finished goods 3,157 3,657
Total 11,466 12,172
Inventory, net of reserves $ 1,918 $ 1,608