Related party transactions - Outstanding Balances Of Remunerations Of Directors (Details) - USD ($)	Oct. 31, 2022	Oct. 31, 2021
Disclosure of transactions between related parties [line items]
Amounts payable, related party transactions	$ 1,430,161	$ 771,255
Accounts Payable And Accrued Liabilities
Disclosure of transactions between related parties [line items]
Amounts payable, related party transactions	$ 1,430,161	$ 771,255

The amounts payable resulting from related party transactions. [Refer: Related parties [member]]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 24
-IssueDate 2021-01-01
-Paragraph 20
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-URIDate 2021-03-24

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 24
-IssueDate 2021-01-01
-Paragraph 18
-Subparagraph b
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=24&code=ifrs-tx-2021-en-r&anchor=para_18_b&doctype=Standard
-URIDate 2021-03-24

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant