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Disclosure of detailed information about analysis of the maturity of the age of the development costs receivable (Details) - USD ($)
Oct. 31, 2018
Oct. 31, 2017
Disclosure of detailed information about financial instruments [line items]    
Development costs receivable $ 81,841 $ 415,857
Credit risk | Less than 30 days past billing date    
Disclosure of detailed information about financial instruments [line items]    
Development costs receivable 81,841 340,857
Credit risk | 31 to 90 days past billing date    
Disclosure of detailed information about financial instruments [line items]    
Development costs receivable $ 0 $ 75,000