Quarterly report pursuant to Section 13 or 15(d)

Stock Based Awards (Tables)

v3.22.2.2
Stock Based Awards (Tables)
9 Months Ended
Sep. 30, 2022
Share-Based Payment Arrangement [Abstract]  
Schedule of Share-based Compensation, Stock Options, Activity

The following table summarizes stock option transactions for the 2007 Plan and 2015 Plan, collectively, for the nine months ended September 30, 2022 (in thousands, except per share amounts):

 

    Number of
Shares
Available
for Grant
    Total
Options
Outstanding
    Weighted
Average
Exercise
Price
    Aggregate
Intrinsic
Value
 
Balance at December 31, 2021     629       206     $ 23.76     $ -  
Increase in authorized options     -       -       -       -  
Exercised     -       -       -       -  
Granted     (158 )     158       5.04       -  
Expired     12       (13 )     33.24       -  
Cancelled     1       (1 )     15.36       9  
Balance at September 30, 2022     484       350     $ 15.36     $ 9  
Schedule of Weighted Average Assumptions Used for Grants

The fair value of share option award is estimated using the Black-Scholes option pricing method based on the following weighted-average assumptions:

 

    2022     2021  
    Nine Months Ended September 30,  
    2022     2021  
             
Risk-Free interest rate     1.64 %     0.91 %
Expected dividend yield     0.00 %     0.00 %
Expected volatility     87.81 %     114.62 %
Expected term (in years)     4.8       5.8  
Schedule of Common Stock Reserved for Future Issuance

The following table presents information concerning common stock available for future issuance (in thousands) as of:

 

             
    September 30, 2022     September 30, 2021  
Stock options issued and outstanding     350       206  
Shares authorized for future option grants     484       629  
Warrants outstanding     20       20  
Total     854       855