Derivative liabilities (Details 3) - USD ($)	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023
Derivative liabilities
Balances at beginning of period	$ 149,182	$ 161,565
Embedded derivatives	0	26,376
Conversions/extinguishments	0	0
Changes in fair value inputs and assumptions reflected in income	8,873	(38,759)
Balances at end of period	$ 158,055	$ 149,182

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