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Accounts Receivable (Tables)
9 Months Ended
Sep. 30, 2018
Receivables [Abstract]  
Schedule of Accounts Receivable

    September 30, 2018     December 31, 2017  
Accounts receivable   $ 2,775,449     $ 2,145,803  
Allowances for doubtful accounts     (39,087 )     (40,332 )
    $ 2,736,362     $ 2,105,471