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ACCOUNTS RECEIVABLE (Details) - USD ($)
Mar. 31, 2020
Dec. 31, 2019
Accounts Receivable, after Allowance for Credit Loss, Current [Abstract]    
Accounts receivable trade $ 10,282,023 $ 12,540,553
Allowance for doubtful accounts (428,523) (402,475)
Accounts receivable trade, net $ 9,853,500 $ 12,138,078