Summary of Significant Accounting Policies (Schedule Of Inventory) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Jun. 30, 2011
Summary of Significant Accounting Policies [Abstract]
Component parts	$ 2,373	$ 2,388
Work in process	307	257
Finished goods	2,716	3,040
Total	5,396	5,685
Inventory reserves	$ 1,200	$ 1,477