Inventory (Details) (USD $)	Dec. 31, 2012	Jun. 30, 2012
Inventory [Abstract]
Inventory, Component parts, net	$ 2,996,000	$ 2,373,000
Inventory, Work in Process, net	363,000	307,000
Inventory, Finished Goods, net	3,217,000	2,716,000
Inventory, Net, Total	6,576,000	5,396,000
Inventory, reserves	$ 1,208,000	$ 1,200,000