v3.26.3
Share-based payments - Schedule of Share Options (Details)
 9 Months Ended 12 Months Ended
Aug. 14, 2025
shares
Sep. 30, 2026
shares
$ / shares
Dec. 31, 2025
shares
$ / shares
Stock Options      
Number of stock options outstanding, beginning of year (in shares) | shares   1,583,085 0
Granted (in shares) | shares 1,583,085 1,164,597 1,583,085
Forfeited (in shares) | shares   (59,631)  
Exercised (in shares) | shares   (10,918)  
Number of stock options outstanding, end of year (in shares) | shares   2,677,133 1,583,085
Exercisable (in shares) | shares   1,012,446  
Weighted average exercise price      
Beginning balance (in dollars per share) | $ / shares   $ 4.40 $ 0
Granted (in dollars per share) | $ / shares   4.81 4.40
Forfeited (in dollars per share) | $ / shares   4.40  
Exercised (in dollars per share) | $ / shares   4.40  
Ending balance (in dollars per share) | $ / shares   4.58 $ 4.40
Excercisable (in dollars per share) | $ / shares   $ 4.40