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Intangible Assets (Tables)
6 Months Ended
Jun. 30, 2017
Intangible Assets [Abstract]  
Schedule of intangible assets
  June 30,  December 31, 
  2016  2016 
Gross carrying amount $4,981,438  $4,861,766 
Accumulated amortization  (4,528,062)  (4,327,084)
Net carrying amount $453,376  $534,682