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ACCOUNTS RECEIVABLE (Details) - USD ($)
Jun. 30, 2019
Dec. 31, 2018
Accounts Receivable, after Allowance for Credit Loss, Current [Abstract]    
Accounts receivable trade $ 11,966,601 $ 9,859,758
Allowance for doubtful accounts (466,094) (831,768)
Accounts receivable trade, net $ 11,500,507 $ 9,027,990