Accounts Payable And Accrued Expenses (Components Of Accounts Payable And Accrued Expenses) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Jun. 30, 2011
Accounts Payable And Accrued Expenses [Abstract]
Accounts payable, trade	$ 1,277	$ 1,866
Accrued payroll, vacation, and other employee expenses	2,854	4,102
Warranty accrual	181	160
Other accrued expenses	1,619	1,406
Total accounts payable and accrued expenses	$ 5,931	$ 7,534