Valuation And Qualifying Accounts (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2013		Jun. 30, 2012		Jun. 30, 2011
Allowance for Doubtful Accounts [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance Beginning Of Year	$ 80		$ 82		$ 84
Charged To Costs And Expenses	14		2
Deductions	(24)	[1]	(4)	[1]	(2)	[1]
Balance End Of Year	70		80		82
Warranty Accrual [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance Beginning Of Year	181		160		66
Charged To Costs And Expenses	183		270		256
Deductions	(245)	[1]	(249)	[1]	(162)	[1]
Balance End Of Year	$ 119		$ 181		$ 160

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