Income Taxes (Details 2) (USD $)	Jun. 30, 2012	Jun. 30, 2011
Deferred tax assets:
Federal and state net operating loss carryovers	$ 2,453,000	$ 4,832,000
Research and Development Tax Credits		31,000
Contribution carryover		13,000
Stock option compensation	988,000	722,000
Accrued vacation & allowance for returns & bonuses & other	600,000	540,000
Deferred tax asset	4,041,000	6,138,000
Deferred liabilities
Patents and trademarks	(587,000)	(625,000)
Change in tax accounting methods	(44,000)	(36,000)
Property & equipment	(540,000)	(6,000)
Total deferred liabilities	(1,171,000)	(667,000)
Net deferred tax asset	2,870,000	5,471,000
Less: valuation allowance	(147,000)	(5,471,000)
Deferred tax assets	$ 2,723,000