XML 111 R90.htm IDEA: XBRL DOCUMENT v3.26.1
Intangible assets - Allocation of amortization (Details) - USD ($)
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Disclosure of detailed information about intangible assets [line items]      
Amortisation, intangible assets other than goodwill $ 32,457 $ 36,372 $ 32,375
General and administrative expenses      
Disclosure of detailed information about intangible assets [line items]      
Amortisation, intangible assets other than goodwill $ 32,457 $ 36,372 $ 32,375