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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 |

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