Geographic information (Details) - CAD ($)	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Revenue	$ 0	$ 3,134,250	$ 136,566
International
Revenue	0	3,134,250	0
Other
Revenue	$ 0	$ 0	$ 136,566

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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+ Details