Annual report pursuant to section 13 and 15(d)

Income Taxes (Details 3)

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Income Taxes (Details 3) (USD $)
12 Months Ended
Jul. 31, 2013
Jul. 31, 2012
Significant components of the deferred tax assets    
Net operating loss carryforwards $ 4,444,000 $ 1,986,000
Credits 190,000 124,000
Start-up costs 67,000 72,000
Accumulated Depreciation 450,000 282,000
Other 253,000 129,000
Net deferred tax assets 5,404,000 2,593,000
Valuation allowance for deferred tax assets $ (5,404,000) $ (2,593,000)
Reconciliation of incomes taxes using statutory income tax rate, compared to effective rate    
Federal tax benefit at the expected statutory rate (as a percent) 34.00% 34.00%
State income tax, net of federal tax benefit (as a percent) (0.01%) (0.07%)
Loss on extinguishment of debt 0.00% (11.48%)
Adjustment to fair value of derivative liabilities 0.00% 63.20%
Non-deductible expenses (as a percent) (0.08%) (6.63%)
Change in valuation allowance (as a percent) (33.93%) (81.58%)
Other (as a percent) 0.00% 2.45%
Income tax benefit - effective rate (as a percent) (0.02%) (0.11%)