Discontinued operations - Mexico project development - Financial Information (Details) - Discontinued Operations. - Mexico Project Development - USD ($)	3 Months Ended
Mar. 31, 2023	Mar. 31, 2022
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Provision for uncollected value added taxes		$ 377,326
Loss from discontinued operations	$ 259,163	$ 607,314

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