Annual report pursuant to Section 13 and 15(d)

Stock Based Awards (Tables)

v3.24.1
Stock Based Awards (Tables)
 12 Months Ended
Dec. 31, 2023
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 years ended December 31, 2023 and 2022 (table 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       205     $ 23.76     $ -  
Granted     (158 )     158       5.04       -  
Expired     12       (12 )     33.24       -  
Cancelled     1       (1 )     15.36       9  
Balance at December 31, 2022     484       350     $ 15.36     $ 9  
Granted     (209 )     209       2.67       -  
Expired     -       (1 )     22.89       -  
Balance at December 31, 2023     275       558       10.57       -  
Schedule of Weighted Average Assumptions Used for Grants

Assumptions:        
Weighted average per share grant date fair value   $ 2.67  
Risk-free interest rate     3.96 %
Expected dividend yield     0.00 %
Expected volatility     112.02 %
Expected terms (in years)     5.77  
 
Assumptions:        
Weighted average per share grant date fair value   $ 12.01  
Risk-free interest rate     2.89 %
Expected dividend yield     0.00 %
Expected volatility     111.96 %
Expected terms (in years)     5.83  
 
Schedule of Common Stock Reserved for Future Issuance

The following table presents information concerning common stock available for future issuance as of December 31, (in thousands):

 

    2023     2022  
             
Stock options issued and outstanding     558       350  
Shares authorized for future option grants     275       484  
Warrants outstanding     11       20  
Total     844       854