v3.26.1
Share-Based Compensation (Tables)
3 Months Ended
Mar. 31, 2026
Business Combination [Line Items]  
Schedule of Stock Option Activities

The following table summarizes the stock option activities for the three months ended March 31, 2026:

 

           Weighted-Average     
       Weighted-Average   Remaining Contractual   Aggregate Intrinsic 
   Shares   Exercise Price   Term (Years)   Value 
Outstanding at December 31, 2025   5,362,722   $2.83    4.73   $ 
Granted (1)   516,250    0.94           
Exercised                  
Expired (2)   (243,557)   1.62           
Cancelled                  
Outstanding at March 31, 2026   5,635,415   $2.71    5.17   $ 
                     
Exercisable at March 31, 2026   4,557,278   $3.05    4.29   $ 

 

Notes:

 

(1) Options granted:

 

  Annual share-based compensation awards on January 2, 2026, with an exercise price of $0.94, including: (a) 287,750 stock options granted to executives and key personnel, vesting upon one year anniversary, or annually in equal installments over four years, (b) 185,000 stock options granted to members of the Board of Directors, vesting upon one year anniversary, (c) 23,500 stock options granted to employees, vesting annually in equal installments over four years, and (d) 20,000 stock options granted to a consultant, vesting upon one year anniversary.

 

(2) Options expired:

 

  (a) 50,000 stock options with an exercise price of $1.82 per share granted to members of the Board of Directors, (b) 191,057 stock options with an exercise price of $1.57 per share granted to a key personnel, (c) 2,500 stock options with an exercise price of $1.66 per share granted to a former employee.
Schedule of Restricted Stock Unit Activity

The following table summarizes the restricted stock award activity for the three months ended March 31, 2026:

 

       Weighted-Average 
       Grant Date 
   Shares   Fair Value 
Outstanding at December 31, 2025   64,656   $1.74 
Granted (1)   375,931    0.93 
Vested (2)   (250,905)   1.15 
Unvested shares forfeited        
Outstanding at March 31, 2026   189,682   $0.91 

 

 

Notes:

 

(1) On January 2, 2026, the Company granted 119,682 restricted stock units, vesting upon one year anniversary, to the Board of Directors as a result of reduction in director cash compensation for 2026, and an aggregate of 186,249 restricted stock units, vested in full, to executives and key personnel in lieu of cash bonus earned for the year ended December 31, 2025.
   
  On March 1, 2026, the Company granted two consultants a total of 70,000 restricted stock units, vesting upon the satisfaction of the applicable time and performance criteria.
   
(2) Represents the vesting of 186,249 RSUs granted to executives and key personnel, and 64,656 RSUs granted to the Board of Directors.
Schedule of Non-cash Share-based Compensation Expense

Total non-cash share-based compensation expense was allocated among the following expense categories:

 

   2026   2025 
   Three Months Ended March 31, 
   2026   2025 
General and administrative  $129,033   $207,996 
Research and development   10,266    17,034 
Total  $139,299   $225,030 
 

The following table summarizes the Company’s non-cash share-based compensation expense allocation between options and restricted stock units:

 

   2026   2025 
   Three Months Ended March 31, 
   2026   2025 
Share based compensation expense - stock option  $107,741   $177,294 
Share based compensation expense - restricted stock units   31,558    47,736 
Total  $139,299   $225,030 
 
Valuation Technique, Black-Scholes-Merton Model [Member]  
Business Combination [Line Items]  
Schedule of Stock Options

The assumptions used in the Black-Scholes option pricing model for stock options granted for the three months ended March 31, 2026, are as follows:

 

Risk-free interest rate   3.8% - 3.9%
Expected dividend yield    %
Expected stock price volatility   72.2-76.5%
Expected life of options (in years)   5.5-6.3 
Schedule of Fair Value of Warrants Using Black-Scholes Model

 

Risk-free interest rate:   3.67%
Expected dividend yield:   0%
Expected stock price volatility:   64.97%
Expected life of warrants (in years)     5.0