XML 38 R28.htm IDEA: XBRL DOCUMENT v3.10.0.1
Operating Leases (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Dec. 31, 2017
May 31, 2016
Deferred Rent Credit $ 750,382   $ 750,382   $ 785,031  
Operating leases, rent expense 223,391 $ 222,683 446,074 $ 444,171    
Security deposit paid $ 52,320   $ 52,320   $ 52,320  
Rockville            
Security deposit paid           $ 52,320