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Operating Leases (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Dec. 31, 2016
May 31, 2016
Deferred Rent Credit $ 813,182   $ 813,182   $ 822,130  
Operating leases, rent expense 222,683 $ 178,908 444,171 $ 337,279    
Security deposit paid $ 52,320   $ 52,320   $ 52,320  
Rockville            
Security deposit paid           $ 52,320