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Property and Equipment, Net (Details) - USD ($)
Mar. 31, 2021
Dec. 31, 2020
Accumulated depreciation and amortization $ (2,536,237) $ (2,423,617)
Property and equipment, net 2,228,085 2,038,415
Real Estate Held for Sale    
Property and equipment, gross 0 10,202,676
Accumulated depreciation and amortization 0 (1,867,659)
Property and equipment, net 0 8,335,017
Furniture, Fixtures, Equipment    
Property and equipment, gross 2,188,132 2,191,411
Computer Software    
Property and equipment, gross 466,892 467,275
Computer Software Under Development    
Property and equipment, gross $ 2,109,298 $ 1,803,346