Share capital (Schedule of warrants continuity) (Details) - Public Warrants [Member] - $ / shares	9 Months Ended	12 Months Ended
	Sep. 30, 2026	Dec. 31, 2025
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward]
Number of common share warrants outstanding, beginning balance	145,636
Warrants granted	0
Warrants exercised	0
Number of common share warrants outstanding, ending balance	145,636	145,636
Weighted average exercise price of warrants, beginning balance	$ 135
Weighted average exercise price of warrants granted	0
Weighted average exercise price of warrants exercised	0
Weighted average exercise price of warrants, ending balance	$ 135	$ 135
Weighted average remaining contractual term	4 years 1 month 28 days	4 years 10 months 24 days