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Goodwill and Intangible Assets (Details Textual) - USD ($)
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Goodwill and Intangible Assets Disclosure [Abstract]      
Amortization of intangible assets $ 1,377,466 $ 870,199 $ 942,719