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 Compensation Arrangement by Share-Based Payment Award [Line Items]  
Schedule of Stock-based Compensation Expense

We recorded stock-based compensation expense for the years ended December 31, 2025 and 2024 as follows:

 

    2025     2024  
    Year Ended
December 31,
 
    2025     2024  
Research and development   $ 192,630     $ 169,414  
General and administrative     664,920       460,100  
Total   $ 857,550     $ 629,514  
Share-Based Payment Arrangement, Option [Member]  
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]  
Schedule of Stock Option Activity

The following table summarizes our stock option activity during the years ended December 31, 2024 and 2025:

 

    Total options
Outstanding
    Weighted
average
exercise price
    Weighted
average
remaining
contractual life
(in years)
 
Outstanding as of January 1, 2024     302     $ 9,080.65          
Options granted     -                  
Forfeited or expired     (190 )     8,400.00          
Outstanding as of December 31, 2024     112       10,235.31       3.7  
Options granted     136,260       5.03          
Forfeited or expired     -                  
Outstanding as of December 31, 2025     136,372       13.43       9.8  
Exercisable as of December 31, 2025     112     $ 10,235.31       2.7  
Schedule of Stock Option Assumptions

We used the Black-Scholes option pricing model to calculate the grant date fair value of the stock options granted in 2025 with the following assumptions:

 

Average risk-free rate of interest     4.1 %
Expected term (years)     10.0  
Expected stock price volatility     138.3 %
Dividend yield     0.0 %
Restricted Stock Units (RSUs) [Member]  
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]  
Schedule of Restricted Stock Units (“RSUs”) Activity

The following table summarizes our restricted stock unit (RSU) activity during the years ended December 31, 2024 and 2025:

 

    Number of
shares
    Weighted-
average
grant-date fair
value per share
 
Outstanding at January 1, 2024     8,957     $ 1,152.30  
Granted     7,704       40.76  
Forfeited     (572 )     1,821.92  
Vested and issued     (695 )     2,771.56  
Outstanding at December 31, 2024     15,394       498.04  
Granted     45,420       5.02  
Forfeited     (1,110 )     1,324.25  
Vested and issued     (3,063 )     1,523.96  
                 
Outstanding at December 31, 2025     56,641       31.02  
Vested and unissued     (10,338 )     129.29  
                 
Unvested at December 31, 2025     46,303     $ 9.08  
Warrant [Member]  
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]  
Schedule of Warrants Activity

The following table summarizes our warrant activity, excluding pre-funded warrants, during the years ended December 31, 2024 and 2025:

 

   

Total warrants

outstanding

    Weighted
average
exercise price
    Weighted
average
remaining contractual
life (in years)
 
Outstanding as of January 1, 2024     6,924     $ 635.29          
Exercisable     300       185.00          
Granted     64,713       113.58          
Expired or cancelled     (900 )     1,365.56          
Outstanding and exercisable as of December 31, 2024     71,037       148.87       3.8  
Granted     1,647,841       9.22          
Exercised     (281,747 )     6.25          
Expired or cancelled     -       -          
Outstanding and exercisable as of December 31, 2025     1,437,131     $ 16.71       3.9