v3.21.1
GOODWILL AND INTANGIBLE ASSETS - INTANGIBLES - Additional information (Details) - USD ($)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Cost of goods sold    
Disclosure of detailed information about intangible assets [line items]    
Amortization expense $ 1,691,787 $ 915,269