Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Lease liabilities (Details)

v3.21.1
Lease liabilities (Details) - USD ($)
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Disclosure of maturity analysis of lease payments [line items]    
Future minimum lease payments $ 1,232,712  
Interest 156,939  
Present value of minimum lease payments 1,075,773  
Current portion of lease liabilities 576,232 $ 466,679
Non-current portion of lease liabilities 499,541 $ 662,570
Less than one year    
Disclosure of maturity analysis of lease payments [line items]    
Future minimum lease payments 641,448  
Interest 65,216  
Present value of minimum lease payments 576,232  
Between one and five years    
Disclosure of maturity analysis of lease payments [line items]    
Future minimum lease payments 458,146  
Interest 84,257  
Present value of minimum lease payments 373,889  
More than five years    
Disclosure of maturity analysis of lease payments [line items]    
Future minimum lease payments 133,118  
Interest 7,466  
Present value of minimum lease payments $ 125,652