v3.25.2
Property and equipment (Details) - USD ($)
Jun. 30, 2025
Dec. 31, 2024
Property and equipment    
Property and equipment, net $ 460,752 $ 457,802
Leasehold improvements    
Property and equipment    
Property and equipment, net 421,210 420,601
Furniture, fittings and equipment    
Property and equipment    
Property and equipment, net $ 39,542 $ 37,201