Intangibles Assets, net (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
Finite-Lived Intangible Assets [Line Items]
Total cost of intangibles	$ 9,730	$ 9,701
Total accumulated amortization	(9,407)	(9,225)
Total intangible assets, net	323	476
Amortization expense	182	381	$ 904
Estimated amortization expense related to intangible assets [Abstract]
2016	182
2017	58
2018	10
2019	10
2020	10
Purchased Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Total cost of intangibles	7,700	7,700
Total accumulated amortization	$ (7,700)	(7,700)
Weighted Average Remaining Useful Life
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Total cost of intangibles	$ 1,900	1,900
Total accumulated amortization	$ (1,679)	(1,506)
Weighted Average Remaining Useful Life	1 year 3 months 18 days
Patents [Member]
Finite-Lived Intangible Assets [Line Items]
Total cost of intangibles	$ 130	101
Total accumulated amortization	$ (28)	$ (19)
Weighted Average Remaining Useful Life	11 years