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Intangible Assets (Tables)
12 Months Ended
Dec. 31, 2017
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of intangible assets
   December 31,   December 31, 
   2017   2016 
Gross carrying amount  $5,188,547   $4,861,766 
Accumulated amortization   (4,789,691)   (4,327,084)
Net carrying amount  $398,856   $534,682 
Schedule of estimated aggregate annual amortization expense
Year  Amount 
2018   117,257 
2019   61,140 
2020   37,793 
2021   37,793 
2022   37,793 
Thereafter   107,080 
Total  $398,856