Annual report pursuant to section 13 and 15(d)

Fair Value of Financial Instruments (Details 2)

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Fair Value of Financial Instruments (Details 2) (USD $)
12 Months Ended 54 Months Ended
Jul. 31, 2012
Jul. 31, 2011
Jul. 31, 2012
Activity for liabilities measured at estimated fair value using unobservable inputs      
Re-classification of fair value to equity $ 657,604    
(Gain) loss on adjustment to fair value of derivative liabilities (4,192,781) 1,041,795 (3,150,986)
Warrant derivative liability
     
Activity for liabilities measured at estimated fair value using unobservable inputs      
Balance at the beginning of the period 4,850,385    
Adjustments to estimated fair value (4,192,781)    
Re-classification of fair value to equity (657,604)    
Balance at the end of the period   4,850,385  
(Gain) loss on adjustment to fair value of derivative liabilities $ 4,192,781 $ 1,041,795