Property and Equipment, Net, and Other Assets - Components of Property and Equipment, Net, and Other Assets (Detail) - USD ($)	Jun. 30, 2020	Dec. 31, 2019
Property And Equipment Net And Other Assets [Abstract]
Property and equipment, net of accumulated depreciation of $2,095,387 and $1,994,320 as of June 30, 2020 and December 31, 2019, respectively	$ 634,461	$ 534,465
Right-of-use operating lease asset	1,313,828	1,595,044
Security deposits and other assets	345,599	306,585
Property and equipment, net, and other assets	$ 2,293,888	$ 2,436,094