Intangible Assets (Details) (USD $)	12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012
Finite-Lived Intangible Assets [Line Items]
Total intangible assets, net	$ 2,014,000	$ 1,747,000
Amortization of intangible assets	100,000	100,000	100,000
Finite-Lived Intangible Assets, Amortization Expense, Maturity Schedule [Abstract]
2015	100,000
2016	100,000
2017	100,000
2018	100,000
2019	100,000
Patent costs
Finite-Lived Intangible Assets [Line Items]
Patent costs	2,330,000	2,321,000
Accumulated amortization	(911,000)	(776,000)
Total definite-lived intangible assets, net	1,419,000	1,545,000
Trademark costs
Finite-Lived Intangible Assets [Line Items]
Trademarks and other indefinite-lived intangible assets	$ 595,000	$ 202,000