Derivative liabilities (Details 3) - USD ($)	6 Months Ended	12 Months Ended
Jun. 30, 2026	Dec. 31, 2025
Derivative liabilities
Balances at beginning of period	$ 265,594	$ 158,055
Issuances of embedded derivatives	0	0
Conversions/extinguishments	(92,100)	0
Changes in fair value inputs and assumptions reflected in income	(57,591)	107,539
Balances at end of period	$ 115,903	$ 265,594

Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

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+ Details