Income Taxes (Details) (USD $)	Jul. 31, 2013	Jul. 31, 2012
NOL available for carry forward	$ 2,158,886	$ 1,939,781
Other temporary timing differences	105,676	142,287
Tax Credit Carryforward, Amount	2,264,562	2,082,068
Statutory tax rate (combined federal and state)	29.03%	42.81%
Tax Credit Carryforward, Deferred Tax Asset	657,474	891,250
R&D credit	126,278	111,547
Net deferred tax asset	783,752	1,002,797
Valuation allowance	(783,752)	(1,002,797)
Future Income Tax Assets	$ 0	$ 0