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Goodwill and Intangible Assets (Details Textual) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Dec. 31, 2016
Goodwill [Line Items]          
Aggregate amortization expense $ 276,400 $ 286,800 $ 812,164 $ 820,679  
Intangible Assets, Net (Excluding Goodwill), Total 3,900,433   3,900,433   $ 4,298,902
Goodwill 18,555,578   18,555,578   $ 18,555,578
Capitalized Computer Software, Additions $ 128,000   $ 360,700    
Purchased Intangible Assets [Member]          
Goodwill [Line Items]          
Weighted average life of intangible assets     6 years 9 months 18 days    
Internal Software Development [Member]          
Goodwill [Line Items]          
Weighted average life of intangible assets     2 years 9 months 18 days