v3.26.1
Intangible assets (Tables)
 12 Months Ended
Dec. 31, 2025
Disclosure of detailed information about intangible assets [abstract]  
Schedule of intangible assets
Patent license
Cost
As at January 1, 2024, December 31, 2024 and 2025$900,000 
Amortization
As at January 1, 2024$30,000 
Charge for the year45,000 
As at December 31, 202475,000 
Charge for the year45,000 
As at December 31, 2025$120,000 
Carrying amounts
As at December 31, 2024$825,000 
As at December 31, 2025$780,000