Discontinued operations - Mexico project development (Details) - USD ($)	Dec. 31, 2025	Dec. 31, 2024
Discontinued operations - Mexico project development
Total assets of discontinued operations	$ 124,630	$ 272,485
Discontinued Operations \| Mexico Project Development
Discontinued operations - Mexico project development
Cash	13,776	127,859
Prepaid expenses and other current assets	110,854	144,626
Total assets of discontinued operations	124,630	272,485
Total liabilities of discontinued operations	$ 271,159	$ 509,745

Amount classified as assets attributable to disposal group held for sale or disposed of.

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