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SUBSEQUENT EVENT - Proforma results (Details) - USD ($)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Subsequent Events [Abstract]    
Net Sales $ 10,975,385 $ 13,629,416
Net income (loss) $ (2,382,994) $ 2,312,007
Net income (loss) per common share, basic and diluted $ (0.42) $ 0.39