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Stock-Based Compensation (Tables)
12 Months Ended
Dec. 31, 2025
Stock-Based Compensation [Abstract]  
Schedule of Option Activity

The following table summarizes the Company’s option activity for the year ended December 31, 2025, 2024 and 2023 (in thousands, except exercise price and contractual life data):

 

   Number
Outstanding
   Weighted
Average
Exercise
Price per
Share
    Weighted
Average
Remaining
Contractual
Life (Years)
 
Balance as of January 1, 2023   9,165   $3.51    4.2 
Granted   5,340    1.38    5.0 
Forfeited   (662)   4.41    - 
Balance as of December 31, 2023   13,843    2.64    3.7 
Granted   830    0.92    5.0 
Forfeited   (1,690)   4.14    - 
Balance as of December 31, 2024   12,983   $2.34     2.9 
Granted   1,630    11.09     4.7 
Exercised   (7,204)   2.30    - 
Forfeited   (346)   8.11    - 
Balance as of December 31, 2025   7,063   $4.11     2.6 
Vested and exercisable as of December 31, 2025   4,563   $3.68     2.3 
Vested and exercisable as of December 31, 2024   9,646   $2.66     2.7 
Schedule of Grant-Date Fair Value of Stock Options Granted

The following table presents the assumptions used in the Black-Scholes option-pricing model to determine the grant-date fair value of stock options granted during the years ended December 31, 2025 and 2024:

 

   Year Ended 
   December 31, 
   2025   2024 
Exercise price  $1.00 – 21.78   $0.46 – 1.12 
Risk-free interest rate   3.6  – 4.2%   4.2 – 5.2%
Expected volatility   130 – 138%   90 – 105%
Expected dividend yield   0%   0%
Expected life of options (in years)   5.0    5.0 
Schedule of Exercise Price Range

The following table summarizes the exercise price range as of December 31, 2025 (in thousands):

 

Exercise Price   Outstanding Options     Exercisable Options  
$0.00 – 1.00     610       390  
$1.00 – 2.00     3,191       1,611  
$2.00 – 3.00     1,260       1,260  
$3.00 – 6.00     158       38  
$6.00 – 8.00     962       937  
$8.00 – 12.00     302       227  
$12.00 – 22.00     580       100  
      7,063       4,563  
Schedule of Activity for Restricted Stock The following table summarizes the Company’s activity for restricted stock tied to vesting schedules for the year ended December 31, 2025, 2024 and 2023 (in thousands):
    Number Outstanding     Weighted Average Fair Value  
Unvested as of January 1, 2023     50     $ 5.70  
Granted     2,429       1.36  
Vested     (1,046 )     1.48  
Forfeited     (24 )     1.28  
Unvested as of December 31, 2023     1,409       1.42  
Granted     904       1.58  
Vested     (1,049 )     1.82  
Unvested as of December 31, 2024     1,264       1.20  
Granted     150       10.95  
Vested     (698 )     2.14 
Forfeited     (16 )     0.67  
Unvested as of December 31, 2025     700     $ 5.62  
Schedule of Stock-Based Compensation Expense Related to Common Stock Options and Restricted Shares of Common Stock

The Company recognized stock-based compensation expense related to common stock options and restricted shares of common stock in the following expense categories of its consolidated statements of operations (in thousands):

 

   Year Ended December 31, 
   2025   2024   2023 
Research and development  $2,701   $4,024   $2,080 
Selling and marketing   214    301    (279)
General and administrative   5,744    1,457    2,470 
Total stock-based compensation  $8,659   $5,782   $4,271