Related party transactions (Narrative) (Details) - USD ($)			1 Months Ended	12 Months Ended
	May 03, 2024	Oct. 18, 2023	Dec. 31, 2024	Dec. 31, 2025	Dec. 31, 2024
RBx Capital, LP ("RBx") [Member]
Related Party Transaction [Line Items]
Reimbursable salaries		$ 125,000	$ 100,000	$ 1,200,000	$ 1,300,000
Additional expenses				446,264	180,857
Amounts of transaction				1,570,504	1,623,316
Total amount of accounts payable			$ 142,459	$ 194,152	$ 142,459
Key Management Personnel [Member]
Related Party Transaction [Line Items]
Number of convertible notes subscribed	168,750
Issuance of common shares upon conversion of promissory notes	$ 675,000
Issuance of common shares upon conversion of promissory notes (Shares)	172,953