Related party transactions (Narrative) (Details) - USD ($)			1 Months Ended	12 Months Ended
	May 03, 2024	Oct. 18, 2023	Dec. 31, 2024	Dec. 31, 2024	Dec. 31, 2023
Related Party Transaction [Line Items]
Issuance of common shares upon conversion of promissory notes					$ 2,799,859
Velocity Fund Management, LLC ("VFM") [Member]
Related Party Transaction [Line Items]
Reimbursable salaries					180,000
RBx Capital, LP ("RBx") [Member]
Related Party Transaction [Line Items]
Reimbursable salaries		$ 125,000	$ 100,000	$ 1,300,000	400,000
Additional expenses				180,857	736,690
Amounts of transaction				1,623,316	970,740
Total amount of accounts payable			$ 142,459	$ 142,459	$ 165,950
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