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Intangible Assets (Tables)
9 Months Ended
Sep. 30, 2017
Intangible Assets [Abstract]  
Schedule of intangible assets
  September 30,  December 31, 
  2017  2016 
Gross carrying amount $5,158,323  $4,861,766 
Accumulated amortization  (4,729,271)  (4,327,084)
Net carrying amount $429,052  $534,682