Quarterly report pursuant to Section 13 or 15(d)

Stock Option and Incentive Plans (Tables)

Stock Option and Incentive Plans (Tables)
3 Months Ended
Mar. 31, 2022
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Summary of Stock Option Activity stock option activity for the three months ended March 31, 2022, is summarized as follows:
Assumptions to Compute Fair Value of Stock Option Grants
The following assumptions were used to compute the fair value of stock options granted during the period:
Three Months Ended
March 31,
Risk free interest rate
     1.94     0.72
Expected dividend yield
     —         —    
Expected term (in years)
     6.06       6.06  
Expected volatility
     91.2     96.3