Other Intangible Assets (Details) (USD $)	3 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Jun. 30, 2013
Finite-Lived Intangible Assets [Line Items]
Total cost of intangibles	$ 9,687,000		$ 9,678,000
Total accumulated amortization	(9,070,000)		(8,844,000)
Total intangible assets, net	617,000		834,000
Amortization expense	226,000	226,000
Purchased Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Total cost of intangibles	7,700,000		7,700,000
Total accumulated amortization	(7,679,000)		(7,497,000)
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Total cost of intangibles	1,900,000		1,900,000
Total accumulated amortization	(1,377,000)		(1,334,000)
Patents [Member]
Finite-Lived Intangible Assets [Line Items]
Total cost of intangibles	87,000		78,000
Total accumulated amortization	$ (14,000)		$ (13,000)