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Derivative Liabilities - Fair value assumptions, derivative warrant liability (Details) (USD $)
3 Months Ended 12 Months Ended 24 Months Ended
Oct. 31, 2014
Jul. 31, 2014
Jul. 31, 2014
Notes to Financial Statements      
Current exercise price $ 0.03 $ 0.03 $ 0.03
Time to expiration 3 years 1 month   3 years 3 months
Risk-free interest rate 0.95%   1.02%
Estimated volatility 72.00%   80.00%
Dividend 0.00% 0.00% 0.00%
Stock price at period end date $ 0.0201 $ 0.021 $ 0.021