XML 40 R27.htm IDEA: XBRL DOCUMENT v3.25.1
Note 7 - Stock Based Compensation (Tables)
12 Months Ended
Dec. 31, 2024
Notes Tables  
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block]
  

Year Ended December 31,

 

Stock-Based Compensation

 

2024

  

2023

 

Options

 $62  $124 

RSUs

     380 

Total

 $62  $504 
  

Year Ended December 31,

 

Stock-Based Compensation

 

2024

  

2023

 

Research and Development

 $  $ 

General & Administrative

  62   504 

Total

 $62  $504 
Share-Based Payment Arrangement, Activity [Table Text Block]
  

Outstanding

  

Exercisable

 
  

Number of Options

  Weighted Average Exercise Price  

Number of Options

  Weighted Average Exercise Price 

Options outstanding and exercisable, December 31, 2022

  417  $5,745   250  $8,275 

Vested

        83   1,950 

Expired

  (167)  11,436   (167)  11,436 

Options outstanding and exercisable, December 31, 2023

  250   1,950   166   1,950 

Vested

        84   1,950 

Expired

  (250)  1,950   (250)  1,950 

Options outstanding and exercisable, December 31, 2024

    $     $