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

Equity Compensation Plan (Details 2)

v3.22.2
Equity Compensation Plan (Details 2) - $ / shares
3 Months Ended 12 Months Ended
Mar. 31, 2021
Dec. 31, 2021
Dec. 31, 2020
Risk-free interest rate 1.20% 1.20%  
Expected term 7 years 7 years 10 years
Expected volatility 91.00% 91.00% 78.00%
Expected dividends 0.00% 0.00% 0.00%
Grant date fair value of common stock $ 1.91 $ 1.91 $ 1.50
Minimum [Member]      
Risk-free interest rate     0.62%
Maximum [Member]      
Risk-free interest rate     1.75%