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Lease obligations - Schedule of lease obligations (Details) - USD ($)
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Lease liabilities [abstract]      
Balance $ 125,962 $ 152,619 $ 183,424
Additions 179,755    
Add: Interest Expense 9,349 10,367 11,480
Less: Lease Payments (57,566) (39,993) (42,285)
Effects of foreign exchange (2,144) 2,969  
Balance 255,356 125,962 $ 152,619
Current 124,311 46,842  
Non-current $ 131,045 $ 79,120