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Accounts Receivable (Tables)
9 Months Ended
Sep. 30, 2019
Receivables [Abstract]  
Schedule of Accounts Receivable

    September 30, 2019     December 31, 2018  
Accounts receivable   $ 4,890,070     $ 4,459,833  
Allowances for doubtful accounts     (269,903 )     (37,088 )
    $ 4,620,167     $ 4,422,745