Summary of Significant Accounting Policies Intangible Assets (Details) (USD $)	12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2011
Finite-Lived Intangible Assets [Line Items]
Impairment of intangible assets	$ 0	$ 0	$ 0
Amortization of intangible assets	100,000	100,000	100,000
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
2014	100,000
2015	100,000
2016	100,000
2017	100,000
2018	100,000
Intangible Assets
Accumulated amortization	(776,000)	(641,000)
Intangible assets, net	1,747,000	1,882,000
Patent costs [Member]
Intangible Assets
Intangible assets, gross	2,321,000	2,321,000
Trademark costs [Member]
Intangible Assets
Intangible assets, gross	$ 202,000	$ 202,000