Property and Equipment, Net, and Other Assets - Components of Property and Equipment, Net, and Other Assets (Detail) - USD ($)	Jun. 30, 2021	Dec. 31, 2020
Property And Equipment Net And Other Assets [Abstract]
Property and equipment, net of accumulated depreciation of $2,420,796 and $2,195,198 as of June 30, 2021 and December 31, 2020, respectively	$ 1,916,145	$ 1,987,006
Right-of-use operating lease asset	802,821	1,103,761
Security deposits and other assets	300,270	293,288
Property and equipment, net, and other assets	$ 3,019,236	$ 3,384,055