Derivative liabilities (Details 3) - USD ($)	3 Months Ended	6 Months Ended	12 Months Ended
Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024	Dec. 31, 2024
Derivative liabilities
Balances at beginning of period			$ 158,055	$ 149,182	$ 149,182
Embedded derivatives			0		0
Gain on change in fair value of derivative liabilities	$ (66,848)	$ 5,845	(11,512)	$ (38,062)	(8,873)
Balances at end of period	$ 146,543		$ 146,543		$ 158,055

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