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Condensed Consolidated Statements of Cash Flows (Parenthetical) - USD ($) | 9 Months Ended |  |
--- | --- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Dec. 31, 2020 | Dec. 31, 2019
Cash Flow Noncash Operating Activities Disclosure [Abstract] |  |  |  |
Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures | 64,439 | 444,161 |  |
Due to Officers or Stockholders, Current |  |  | $ 217,000 | $ 205,000

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