Other Intangible Assets (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Jun. 30, 2014
Finite-Lived Intangible Assets [Line Items]
Total cost of intangibles	$ 9,713		$ 9,701
Total accumulated amortization	(9,271)		(9,225)
Total intangible assets, net	442		476
Amortization expense	46	226
Purchased Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Total cost of intangibles	7,700		7,700
Total accumulated amortization	(7,700)		(7,700)
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Total cost of intangibles	1,900		1,900
Total accumulated amortization	(1,549)		(1,506)
Patents [Member]
Finite-Lived Intangible Assets [Line Items]
Total cost of intangibles	113		101
Total accumulated amortization	$ (22)		$ (19)