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Right-of-Use Assets and Liabilities - Additional Information (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Right-of-Use Assets and Liabilities        
Lessee, Operating Lease, Term of Contract 5 years   5 years  
Lessee, Operating Lease, Option to Extend     True  
Lessee, Operating Lease, Renewal Term 3 years   3 years  
Operating Leases, Rent Expense $ 132,141 $ 117,372 $ 422,218 $ 349,168
Operating Lease, Weighted Average Remaining Lease Term 1 year 1 month 6 days   1 year 1 month 6 days  
Operating Lease, Weighted Average Discount Rate, Percent 5.00%   5.00%