Share capital (Schedule of warrants continuity) (Details) - Public Warrants [Member] - $ / shares	9 Months Ended	12 Months Ended
	Sep. 30, 2025	Dec. 31, 2024
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward]
Number of common share warrants outstanding	1,115,500
Number of common share warrants outstanding	5,941,795	1,115,500
Number of common share warrants exercisable	1,115,500
Number of common share warrants exercisable		1,115,500
Weighted average price of warrant	$ 0.87
Weighted average remaining contractual term		4 years
Granted Regulation A Warrants [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward]
Warrants outstanding granted during the period	1,490,000
Number of common share warrants exercisable granted	1,490,000
Weighted average exercise price warrant granted	$ 0.7
Weighted average remaining contractual term granted	4 years
Granted Warrants [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward]
Warrants outstanding granted during the period	2,260,000
Number of common share warrants exercisable granted	2,260,000
Weighted average exercise price warrant granted	$ 1.18
Weighted average remaining contractual term granted	5 years
Granted Series A And B Warrants Issued [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward]
Warrants outstanding granted during the period	2,680,000
Number of common share warrants exercisable granted	2,680,000
Weighted average exercise price warrant granted	$ 1.69
Weighted average remaining contractual term granted	5 years
Exercise Of Regulation A Warrants [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward]
Warrants outstanding exercise during the period	(1,473,800)
Weighted average exercise price warrant granted	$ 2.57
Exercise Of Public Warrants [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward]
Warrants outstanding exercise during the period	(129,905)
Weighted average exercise price warrant granted	$ 0.38