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v3.21.2

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 |

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