Quarterly report pursuant to Section 13 or 15(d)

Stock Option and Incentive Plans (Tables)

v3.23.1
Stock Option and Incentive Plans (Tables)
3 Months Ended
Mar. 31, 2023
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Summary of Stock Option Activity A summary of stock option activity for the three months ended March 31, 2023, is summarized as follows:
 
    
Number of
Options
    
Weighted
Average
Exercise
Price
    
Weighted
Average
Remaining
Contractual
Life
(in years)
    
Aggregate
Intrinsic
Value
 
Options outstanding at December 31, 2022
     55,565      $ 548.79                    
Granted
     25,125        5.03                    
Exercised
     —          —                      
Expired
     (1,029      1,745.88                    
Forfeited
     —          —                      
    
 
 
                            
Options outstanding at March 31, 2023
     79,661        359.95        8.32      $ —    
    
 
 
                      
 
 
 
Vested and exercisable at March 31, 2023
     36,096        616.60        7.17      $ —    
    
 
 
                      
 
 
 
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,
 
    
2023
   
2022
 
Risk free interest rate
     4.00     1.94
Expected dividend yield
     —         —    
Expected term (in years)
     6.06       6.06  
Expected volatility
     102.1     91.2