Related party transactions (Narrative) (Details) - RBx Capital, LP ("RBx") [Member] - USD ($)		1 Months Ended	3 Months Ended
	Oct. 18, 2023	Dec. 31, 2024	Mar. 31, 2026	Mar. 31, 2025
Related Party Transaction [Line Items]
Reimbursable salaries	$ 125,000	$ 100,000	$ 375,000	$ 300,000
Additional expenses			443,497	40,865
Total amount of accounts payable			$ 147,223	$ 118,215