Financial instruments and financial risk factors (Tables)

9 Months Ended

12 Months Ended

Jul. 31, 2021

Oct. 31, 2020

Disclosure of fair value measurement of liabilities [line items]

Disclosure Of Detailed Information Of Maturities Of Financial Liabilities

All of the Company’s financial liabilities have maturities as follows:

	Carrying amount		Contractual cash flows		Year 1		Year 2		Year 3		Year 4		Year 5		Thereafter
	$		$		$		$		$		$		$		$
As at October 31, 2020
Accounts payable and accrued liabilities		4,364,372		4,364,372		4,364,372		—		—		—		—		—
Restricted share units		171,849		171,849		171,849		—		—		—		—		—
Lease liabilities		3,613,170		4,529,662		805,946		680,943		568,434		584,269		479,833		1,410,237
Loan payable		2,247,878		2,628,652		1,782,888		845,763		—		—		—		—
Restoration provisions		321,400		333,866		—		81,166		—		—		52,627		200,074
		10,718,669		12,028,401		7,125,055		1,607,872		568,434		584,269		532,460		1,610,311
As at October 31, 2019
Accounts payable and accrued liabilities		1,148,986		1,148,986		1,148,986		—		—		—		—		—
Convertible debt		384,207		471,126		—		—		471,126		—		—		—
Conversion feature of convertible debt		94,985		—		—		—		—		—		—		—
Loan payable		87,381		87,381		7,282		7,282		7,282		7,282		7,282		50,971
		1,715,559		1,707,493		1,156,268		7,282		478,408		7,282		7,282		50,971

Recurring fair value measurement [member]

Disclosure of fair value measurement of liabilities [line items]

Disclosure Of Detailed Information Of Financial Assets Measured At Fair Value On Recurring Basis

The Company’s financial assets measured at fair value on a recurring basis were calculated as follows:

	Balance $		Quoted prices in active markets for identical assets (Level 1) $		Significant other observable inputs (Level 2) $		Significant unobservable inputs (Level 3) $
As at July 31, 2021
Accounts receivable		3,255,981		—		3,255,981		—
		3,255,981		—		3,255,981		—
As at October 31, 2020
Accounts receivable		890,229		—		890,229		—
		890,229		—		890,229		—

The Company’s financial assets measured at fair value on a recurring basis were calculated as follows:

	Balance		Quoted prices in active markets for identical assets		Significant other observable inputs (Level 2)		Significant unobservable inputs (Level 3)
	$		$		$		$
As at October 31, 2020
Accounts receivable		890,229		—		890,229		—
		890,229		—		890,229		—
As at October 31, 2019
Accounts receivable		822,679		—		822,679		—
		822,679		—		822,679		—

Disclosure Of Detailed Information Of Financial Liabilities Measured At Fair Value On Recurring Basis

The Company’s financial liabilities measured at fair value on a recurring basis were calculated as follows:

	Balance $		Quoted prices in active markets for identical assets (Level 1) $		Significant other observable inputs (Level 2) $		Significant unobservable inputs (Level 3) $
As at July 31, 2021
Restricted share units		3,259,010		—		3,259,010		—
		3,259,010		—		3,259,010		—
As at October 31, 2020
Restricted share units		171,849		—		171,849		—
		171,849		—		171,849		—

The Company’s financial liabilities measured at fair value on a recurring basis were calculated as follows:

	Balance		Quoted prices in active markets for identical assets		Significant other observable inputs (Level 2)		Significant unobservable inputs (Level 3)
	$		$		$		$
As at October 31, 2020
Restricted share units		171,849		—		171,849		—
		171,849		—		171,849		—
As at October 31, 2019
Conversion feature of convertible debt		94,985		—		94,985		—
		94,985		—		94,985		—