Annual report [Section 13 and 15(d), not S-K Item 405]

Stock-based Compensation (Tables)

v3.26.1
Stock-based Compensation (Tables)
12 Months Ended
Dec. 31, 2025
Share-Based Payment Arrangement [Abstract]  
Schedule of Recognized Stock-Based Compensation

The Company recognized stock-based compensation expense (options and restricted share grants) in the following expense categories of its consolidated statements of operations as follows:

 

    2025     2024  
    Year Ended December 31,  
    2025     2024  
Research and Development   $ 85     $ 1,087  
General and Administrative     938       2,108  
Total   $ 1,023     $ 3,195  
Schedule of Stock Option Activity

The following table summarizes the Company’ stock option activity and related information for the period from January 1, 2024 to December 31, 2025:

 

    Number of Options     Weighted
Average
Exercise Price
    Weighted
Average
Contractual
Term
in Years
 
Outstanding at January 1, 2024     934,243     $ 41.67       7.4  
Granted                    
Exercised                    
Forfeited     (188,618 )     18.97          
Expired     (58,269 )     56.76          
Outstanding at December 31, 2024     687,356     $ 46.71       4.6  
Granted     116,500       0.59          
Exercised                    
Forfeited     (3,101 )     20.19          
Expired     (343,536 )     47.19          
Outstanding at December 31, 2025     457,219     $ 34.76       6.5  
Summary of Outstanding Options

The following table summarizes outstanding options at December 31, 2025, by their exercise price:

 

Range of Exercise Prices   Number Outstanding     Weighted
Average
Exercise Price
Per Share
 
$0.59 - $12.35     207,102     $ 5.73  
$21.50 - $30.50     69,571     $ 25.96  
$46.00 - $68.00     139,871     $ 55.14  
$113.50 - $166.00     40,675     $ 127.53  
      457,219     $ 34.76  
Schedule of Compensation Expense for Stock Options

 

Volatility     119.5% - 128.9 %
Risk-free interest rate     4.00% - 4.35 %
Grant date fair value for options awarded during 2025   $

0.82

 
Dividend yield     0.0 %
Expected life     6.0 - 10.0 years