Income Taxes (Details) (USD $)	Jul. 31, 2012	Jul. 31, 2011
NOL available for carry forward	$ 1,939,781	$ 1,452,077
R&D credit	260,588	220,220
Other temporary timing differences	142,287	123,269
Tax Credit Carryforward, Amount	2,342,656	1,795,565
Statutory tax rate (combined federal and state)	42.81%	42.28%
Net deferred tax asset	1,002,797	759,165
Valuation allowance	(1,002,797)	(759,165)
Future income tax assets	$ 0	$ 0