Other Intangible Assets (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Jun. 30, 2013
Finite-Lived Intangible Assets [Line Items]
Total cost of intangibles	$ 9,693		$ 9,678
Total accumulated amortization	(9,181)		(8,844)
Total intangible assets, net	512		834
Amortization expense	337	678
Purchased Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Total cost of intangibles	7,700		7,700
Total accumulated amortization	(7,700)		(7,497)
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Total cost of intangibles	1,900		1,900
Total accumulated amortization	(1,463)		(1,334)
Patents [Member]
Finite-Lived Intangible Assets [Line Items]
Total cost of intangibles	93		78
Total accumulated amortization	$ (18)		$ (13)