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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