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Risk management arising from financial instruments (Details) - USD ($)
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Disclosure of financial assets [line items]      
Incremental borrowing rate 10.00% 10.00% 10.00%
New Credit Facility      
Disclosure of financial assets [line items]      
Reasonably possible increase in interest rate (as a percent) 1.00%    
Increase in interest expense due to reasonably possible increase in interest rate $ 558,363    
New Credit Facility | 30-day LIBOR      
Disclosure of financial assets [line items]      
Spread on variable rate 7.75%    
Incremental borrowing rate 8.75%