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Warrants (Details 1)
12 Months Ended
Oct. 31, 2019
IfrsStatementLineItems [Line Items]  
Expected dividend yield Nil
Warrants [Member]  
IfrsStatementLineItems [Line Items]  
Expected dividend yield Nil
Risk-free interest rate 1.71%
Expected life 2 years
Expected volatility 100.00% [1]
[1] Based on the volatility of comparable publicly traded companies