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Disclosure of detailed information about underlying assumptions (Details) - Derivative liabilities - USD ($)
12 Months Ended
Oct. 31, 2018
Oct. 31, 2017
Convertible Debentures [Line Items]    
Share price $ 0.03 $ 0.12
Expected dividend yield 0.00% 0.00%
Foreign exchange rate (as applicable) $ 1.3142 $ 1.2893
Minimum    
Convertible Debentures [Line Items]    
Exercise price $ 0.02 $ 0.09
Volatility factor (based on historical volatility) 168.00% 51.00%
Risk free interest rate 1.74% 0.89%
Expected life of options (in months) 0 months 0 months
Call value $ 0.00 $ 0.00
Maximum    
Convertible Debentures [Line Items]    
Exercise price $ 0.11 $ 0.23
Volatility factor (based on historical volatility) 297.00% 348.00%
Risk free interest rate 2.22% 1.31%
Expected life of options (in months) 12 months 12 months
Call value $ 0.02 $ 0.13