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Intangible Assets, Net (Details Textual) - USD ($)
3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Intangible Assets, Net (Textual)    
Amortization expense $ 421,188 $ 421,188
Estimated aggregate amortization expense for 2018 1,178,531  
Estimated aggregate amortization expense for 2019 1,087,333  
Estimated aggregate amortization expense for 2020 592,681  
Estimated aggregate amortization expense for 2021 444,167  
Estimated aggregate amortization expense, thereafter $ 196,543