Discontinued operations - Mexico project development - Financial Information (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Loss from discontinued operations	$ (526,920)	$ (207,701)
Gain on sale of land and project documentation	$ 12,134,766		$ 12,134,766
Discontinued Operations. | Mexico Project Development
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Loss from discontinued operations			(993,986)	$ (466,864)
Gain on sale of land and project documentation			$ 12,134,766