The income arising in the course of an entity's ordinary activities. Income is increases in assets, or decreases in liabilities, that result in increases in equity, other than those relating to contributions from holders of equity claims.

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+ Details

Segment reporting (Details)	3 Months Ended		6 Months Ended
Segment reporting (Details)	Apr. 30, 2022 USD ($)	Apr. 30, 2021 USD ($)	Apr. 30, 2022 USD ($) segment	Apr. 30, 2021 USD ($)	Oct. 31, 2021 USD ($)
Disclosure of geographical areas [line items]
Number of operating segments \| segment			1
Revenues	$ 8,653,223	$ 257,384	$ 12,491,193	$ 1,274,624
Non-current assets	102,798,714		102,798,714		$ 53,399,223
Canada
Disclosure of geographical areas [line items]
Revenues			3,771,437	1,205,384
Non-current assets	14,894,897		14,894,897		15,476,877
United States
Disclosure of geographical areas [line items]
Revenues			8,719,756	$ 69,240
Non-current assets	$ 87,903,817		$ 87,903,817		$ 37,922,346