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Leases (Details)
 9 Months Ended
Sep. 30, 2019
USD ($)
lease
Jan. 01, 2019
USD ($)
Dec. 31, 2018
USD ($)
May 31, 2016
USD ($)
Operating leases        
Security Deposit $ 52,320   $ 52,320  
Lessee, Operating Lease, Existence of Option to Extend [true false] true      
Lessee, Operating Lease, Existence of Option to Terminate [true false] true      
Operating Lease, Right-of-Use Asset $ 3,166,539 $ 3,600,000    
Operating Lease, Liability $ 3,721,252 $ 4,300,000    
Lessee, Operating Lease, Discount Rate   8.01%    
Operating Lease, Weighted Average Remaining Lease Term 4 years 29 days 4 years 9 months 18 days    
Number of additional operating leases entered during the period | lease 0      
Rockville Maryland        
Operating leases        
Security Deposit       $ 52,320