XML 32 R23.htm IDEA: XBRL DOCUMENT v3.25.3
Stock-based Compensation (Tables)
9 Months Ended
Sep. 30, 2025
Share-Based Payment Arrangement [Abstract]  
Schedule of Stock Option Activity

There were no options granted or exercised during the nine months ended September 30, 2025. The following table summarizes stock options outstanding as of September 30, 2025:

 

  

Number of

Options

  

Weighted-

Average

Exercise

Price

  

Weighted-

Average

Remaining

Contractual Term

(Years)

  

Aggregate

Intrinsic

Value

 
Outstanding — January 1, 2025   34,046   $30.55           
Forfeited or expired   (188)  $2,350.64           
Outstanding — September 30, 2025   33,858   $17.67    5.98   $10 
Exercisable — September 30, 2025   29,780   $19.49    5.81   $7 
Schedule of Stock-Based Compensation Expenses

The following table presents total stock-based compensation expense for the three and nine months ended September 30, 2025, and 2024:

 

   2025   2024   2025   2024 
  

Three Months Ended

September 30,

  

Nine months Ended

September 30,

 
   2025   2024   2025   2024 
Research and development  $-    3    -    148 
General and administrative   6    194    20    350 
Total stock-based compensation expense  $6    197    20    498