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

Stock-based Compensation (Tables)

v3.25.1
Stock-based Compensation (Tables)
12 Months Ended
Dec. 31, 2024
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:

 

    Year Ended December 31,  
    2024     2023  
Research and Development   $ 1,087     $ 2,120  
General and Administrative     2,108       2,828  
Total   $ 3,195     $ 4,948  
Schedule of Stock Option Activity

The following table summarizes the Company’ stock option activity and related information for the period from January 1, 2023 to December 31, 2024:

  

    Number of Options     Weighted Average Exercise Price     Weighted Average
Contractual Term
in Years
 
Outstanding at January 1, 2023     694,868     $ 53.72       7.2  
Granted     278,577       12.02          
Exercised                    
Forfeited     (5,924 )     31.26          
Expired     (33,278 )     46.91          
Outstanding at December 31, 2023     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  
Summary of Outstanding Options

The following table summarizes outstanding options at December 31, 2024, by their exercise price:

 

Range of Exercise Prices   Number Outstanding     Weighted Average Exercise Price Per Share  
$10.44 - $34.65     265,562     $ 18.18  
$36.34 - $46.00     164,500     $ 42.94  
$46.50 - $62.00     95,958     $ 53.09  
$68.00 - $166.00     161,337     $ 93.71  
      687,357     $ 46.71  
Schedule of Compensation Expense for Stock Options

 

Volatility     91.2% - 120.5 %
Risk-free interest rate     3.50% - 4.69 %
Dividend yield     0.0 %
Expected life     6.0 years