Geographic information (Details)	12 Months Ended
Dec. 31, 2021 USD ($)	Dec. 31, 2021 CAD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Revenue	$ 3,134,250	$ 3,134,250	$ 136,566	$ 11,976,149
International
Revenue		3,134,250	0	11,976,149
Other
Revenue		$ 0	$ 136,566	$ 0

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