XML 49 R38.htm IDEA: XBRL DOCUMENT v3.20.2
Property, Equipment and Leasehold Improvements - Additional Information (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Property Plant And Equipment [Abstract]        
Depreciation and amortization expense $ 861,293 $ 468,225 $ 2,113,865 $ 1,024,845