Financial risk management (Tables)

12 Months Ended

Oct. 31, 2020

Disclosure Of Financial Risk Management [Abstract]

Disclosure of detailed information about consolidated financial statements [Table Text Block]

			CDN
		2020			2019
Cash (bank indebtedness)	$	8,759		$	(3,188	)
Prepaid expenses and other receivables	$	33,594		$	—
Trade payables and other liabilities	$	23,530		$	387,766
Convertible debentures (carrying value)	$	2,176,454		$	2,010,940
Derivative liabilities	$	260,692		$	207,161
Long-term loan	$	40,000		$	—

Disclosure of detailed information about analysis of the maturity of the trade payables [Table Text Block]

		2020		2019
Less than 30 days past billing date	$	252,413	$	203,143
31 to 90 days past billing date		25,683		13,259
Over 90 days past billing date		489,853		781,230
	$	767,949	$	997,632

Disclosure of detailed information about analysis of the maturity of the convertible debentures and derivative liabilities [Table Text Block]

		2020				2019
		Convertible		Derivative		Convertible		Derivative
		debentures		liabilities		debentures		liabilities
Less than three months	$	1,335,853	$	149,827	$	754,799	$	75,528
Three to six months		806,477		190,055		1,168,349		71,326
Six to twelve months		939,188		193,680		675,926		618,571
	$	3,081,518	$	533,562	$	2,599,074	$	765,425