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Intangible Assets Future Amortization Expense (Details) - USD ($)
Dec. 31, 2017
Dec. 31, 2016
Goodwill and Intangible Assets Disclosure [Abstract]    
2018 $ 2,519,024  
2019 2,542,770  
2020 2,614,010  
2021 2,465,544  
2022 and thereafter 11,303,197  
Intangible assets, net $ 21,444,545 $ 22,154,176