Intangibles (Details) (USD $)	12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012
Finite-Lived Intangible Assets [Line Items]
Total cost of intangibles	$ 9,701,000	$ 9,678,000
Total accumulated amortization	(9,225,000)	(8,844,000)
Total intangible assets, net	476,000	834,000
Amortization expense	381,000	904,000	904,000
Estimated amortization expense related to intangible assets [Abstract]
2015	181,000
2016	181,000
2017	56,000
2018	7,000
2019	7,000
Total intangible assets, net	432,000
Purchased Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Total cost of intangibles	7,700,000	7,700,000
Total accumulated amortization	(7,700,000)	(7,497,000)
Weighted Average Remaining Useful Life	0 years
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Total cost of intangibles	1,900,000	1,900,000
Total accumulated amortization	(1,506,000)	(1,334,000)
Weighted Average Remaining Useful Life	2 years 3 months 18 days
Patents [Member]
Finite-Lived Intangible Assets [Line Items]
Total cost of intangibles	101,000	78,000
Total accumulated amortization	$ (19,000)	$ (13,000)
Weighted Average Remaining Useful Life	12 years 10 months 24 days