Segment reporting (Tables)

9 Months Ended

12 Months Ended

Jul. 31, 2021

Oct. 31, 2020

Disclosure of operating segments [abstract]

Summary of Company's Geographical Information

The following is a summary of the Company’s geographical information:

	Canada $		United States $		Total $
For the nine months ended July 31, 2021
Revenue		2,042,730		941,017		2,983,747
Non-current assets		7,872,842		26,518,522		34,391,364
For the nine months ended July 31, 2020
Revenue		323,033		—		323,033
Non-current assets		2,945,214		3,204,621		6,149,835
For the year ended October 31, 2020
Revenue		792,254		—		792,254
Non-current assets		3,395,049		6,066,619		9,461,668

The following is a summary of the Company’s geographical information:

	Canada		United States		Total
	$		$		$
For the year ended October 31, 2020
Revenue		792,254		—		792,254
Non-current assets		3,395,049		6,066,619		9,461,668
For the year ended October 31, 2019
Revenue		48,160		—		48,160
Non-current assets		1,060,792		—		1,060,792
For the year ended October 31, 2018
Revenue		5,746		—		5,746
Non-current assets		239,248		—		239,248

Summary of the Company's Main Customers

The following is a summary of the Company’s main customers:

	Three months ended July 31,					Nine months ended July 31,
		2021		2020			2021		2020
		%		%			%		%
Revenue
Customer A		44	%	59	%		61	%	57	%
Customer B		49	%	0	%		28	%	0	%
Accounts Receivable
Customer A							47	%	58	%
Customer B							24	%	0	%