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Property and Equipment, Net (Tables)
12 Months Ended
Dec. 31, 2017
Property, Plant and Equipment [Abstract]  
Schedule of property and equipment, net
   December 31, 
  2017   2016 
Computer equipment  $3,706,017   $3,720,985 
Website development   2,342,442    2,050,980 
Furniture and fixtures   89,027    89,027 
Leasehold improvements   32,726    32,726 
Total property and equipment   6,170,212    5,893,718 
Less: Accumulated depreciation   (5,547,500)   (5,100,413)
Total property and equipment, net  $622,712   $793,305