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INTANGIBLE ASSETS (Details) - USD ($)
Sep. 30, 2021
Dec. 31, 2020
Less accumulated amortization $ (367,810) $ (299,200)
Intangible assets, net 89,590 158,200
Intellectual property [Member]    
Intangible assets, gross 307,100 307,100
Customer base [Member]    
Intangible assets, gross 142,000 142,000
Non-compete agreements [Member]    
Intangible assets, gross $ 8,300 $ 8,300