v3.21.1
RIGHT-OF-USE ASSETS AND LEASE OBLIGATIONS - Depreciation and Interest expense (Details) - USD ($)
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Disclosure of quantitative information about right-of-use assets [line items]    
Depreciation relating to right-of-use assets $ 1,925,208 $ 1,209,224
Interest expense relating to lease obligations 1,438,477 836,130
Lease obligations - current portion [Note 9] 866,304 1,087,835
Lease obligations - non-current portion [Note 9] 23,864,059 13,033,310
Cost of goods sold    
Disclosure of quantitative information about right-of-use assets [line items]    
Depreciation relating to right-of-use assets 390,730 179,725
Interest expense relating to lease obligations 525,800 258,697
Expenses    
Disclosure of quantitative information about right-of-use assets [line items]    
Depreciation relating to right-of-use assets 1,534,479 1,029,500
Other income    
Disclosure of quantitative information about right-of-use assets [line items]    
Interest expense relating to lease obligations $ 912,677 $ 577,433