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Summary of Significant Accounting Policies (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Dec. 31, 2020
Accounting Policies [Abstract]          
Cash and cash equivalents $ 3,715,609   $ 3,715,609   $ 4,273,208
Restricted cash equivalents 734,163   734,163   $ 728,163
Impairments of equity investments $ 0   $ 0    
Impairment of equity investments   $ 8,507   $ 952,711  
Percentage of monthly contribution 6.00%   6.00%    
Employee benefits amount $ 2,906 3,612 $ 8,268 10,969  
Employee stock-based compensation expenses 0   9    
Non-employee stock-based compensation expenses $ 0 $ 225,740 $ 927,220 $ 999,820