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Accounts Receivable - Schedule of Accounts Receivable (Details) - USD ($)
Mar. 31, 2019
Dec. 31, 2018
Receivables [Abstract]    
Accounts receivable $ 7,629,806 $ 4,459,834
Allowances for doubtful accounts (37,862) (37,088)
Accounts receivable net $ 7,591,944 $ 4,422,745