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Intangible Assets (Details 1) - USD ($)
Jun. 30, 2017
Dec. 31, 2016
Estimated amortization expense:    
Remainder of 2017 $ 2,324,570  
2018 4,663,049  
2019 4,553,464  
2020 4,470,853  
2021 4,213,507  
Thereafter 13,447,472  
Total $ 33,672,915 $ 35,940,810