Annual and transition report of foreign private issuers [Sections 13 or 15(d)]

Intangible assets (Details)

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Intangible assets (Details) - USD ($)
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Intangible assets      
Balance at beginning $ 175,254    
Amortization 31,070 $ 66,632 $ 17,077
Balance at ending 183,108 175,254  
Carrying values      
Intangible assets      
Balance at beginning 175,254    
Balance at ending 183,108 175,254  
Cost      
Intangible assets      
Balance at beginning 336,803 294,751  
Additions 38,924 42,052  
Balance at ending 375,727 336,803 294,751
Accumulated amortization      
Intangible assets      
Balance at beginning (161,549) (94,917)  
Amortization 31,070 66,632  
Balance at ending $ (192,619) $ (161,549) $ (94,917)