Valuation And Qualifying Accounts (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2012		Jun. 30, 2011		Jun. 30, 2010
Allowance for Doubtful Accounts [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance Beginning Of Year	$ 82		$ 84		$ 97
Charged To Costs And Expenses	2
Deductions	(4)	[1]	(2)	[1]	(13)	[1]
Balance End Of Year	80		82		84
Warranty Accrual [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance Beginning Of Year	160		66		203
Charged To Costs And Expenses	270		256		99
Deductions	(249)	[1]	(162)	[1]	(236)	[1]
Balance End Of Year	$ 181		$ 160		$ 66

[1] Charges and adjustments to the reserve accounts for write-offs and credits issued during the year.