Supplemental cash flow information (Tables)

12 Months Ended

Oct. 31, 2020

Supplemental Cash Flow Informations Abstract

Disclosure of reconciliation of the cash flows [Table Text Block]

		2020			2019
Balance - beginning of period	$	3,364,499		$	3,126,687
Cash flows from financing activities:
Proceeds from issuance of convertible debentures		612,279			780,891
Repayments of convertible debentures		(150,920	)		(172,198	)
Non-cash changes:
Increase in loan principal (i)		—			60,000
Accretion expense		1,099,818			1,517,436
Accrued interest on convertible debentures		285,679			164,243
Gain on revaluation of derivative liabilities		(771,920	)		(343,436	)
Gain on extinguishment of debt		(127,409	)		(646	)
Convertible debentures converted into common shares		(762,847	)		(1,636,825	)
Renewal of convertible debentures		(26,752	)		(106,594	)
Foreign exchange loss (gain)		92,652			(25,059	)
Balance - end of period	$	3,615,080		$	3,364,499