Income taxes (Schedule of effective income tax rate reconciliation) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Income Tax Disclosure [Abstract]
Income tax recovery at the statutory tax rate	$ (2,956,212)	$ (1,408,413)
Permanent differences	189,075	796,707
Impact of tax rate changes	42,865	436,994
Change in valuation allowance	2,724,272	174,712
Income tax expense (benefit)	$ 0	$ 0