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Property and Equipment, Net, and Other Assets - Components of Property and Equipment, Net, and Other Assets (Detail) - USD ($)
Mar. 31, 2021
Dec. 31, 2020
Property And Equipment Net And Other Assets [Abstract]    
Property and equipment, net of accumulated depreciation of $2,305,334 and $2,195,198 as of March 31, 2021 and December 31, 2020, respectively $ 1,992,756 $ 1,987,006
Right-of-use operating lease asset 953,852 1,103,761
Security deposits and other assets 294,149 293,288
Property and equipment, net, and other assets $ 3,240,757 $ 3,384,055