XML 37 R67.htm IDEA: XBRL DOCUMENT v2.4.0.6
Derivative Liabilities (Details 2) (USD $)
12 Months Ended
Jul. 31, 2011
Underlying number of units of convertible preferred stock 2,575
Underlying number of warrants 17,166,667
Current exercise price of warrants $ 0.25
Preferred Stock Conversion Price Per Share $ 0.15
Investment Rights Liability [Member]
 
Time to expiration 1 year
Risk-free interest rate 1.23%
Estimated volatility 58.00%
Dividend 0.00%
Stock price $ 0.13