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Stock Based Compensation (Details) - USD ($)
6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Stock Based Compensation (Textual)    
Compensation expense $ 907,109 $ 712,998
Remaining expense related to unvested options to be recognized in future 1,598,019  
Intrinsic value of options outstanding 16,328,517  
Restricted stock expense 31,290 $ 182,004
Unvested restricted stock expense $ 1,513,475  
Unvested restricted stock awards shares 140,000