General form of registration statement for all companies including face-amount certificate companies

Equity Compensation Plan (Details 1)

v3.22.0.1
Equity Compensation Plan (Details 1) - $ / shares
9 Months Ended 12 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Dec. 31, 2020
Dec. 31, 2019
Risk-free interest rate 1.10% 1.75%    
Expected term 7 years 6 months 10 years 10 years  
Expected volatility 81.00% 78.00% 78.00%  
Expected dividends 0.00% 0.00% 0.00% 0.00%
Grant date fair value of common stock $ 2.45 $ 1.50 $ 1.50 $ 1.50
Minimum [Member]        
Risk-free interest rate     0.62% 1.60%
Expected term       3 years 6 months
Expected volatility       77.00%
Maximum [Member]        
Risk-free interest rate     1.75% 1.72%
Expected term       5 years 9 months
Expected volatility       79.00%