XML 26 R15.htm IDEA: XBRL DOCUMENT v3.26.1
Note 8 - Share-based Compensation
 3 Months Ended
Mar. 31, 2026
Notes to Financial Statements  
Share-Based Payment Arrangement [Text Block]

(8)

Share-Based Compensation

 

The share-based compensation expense is recorded in research and development, and selling, general and administrative expenses based on the employee's or non-employee’s respective function. No share-based compensation was capitalized during the periods presented. Share-based compensation expense for the three months ended March 31, 2026 and 2025 was recorded as follows (in thousands):

 

   

Three months ended

  
   

March 31,

  
   

2026

    

2025

  

Research and development

   $ 55     $ 95  

Selling, general and administrative

     58       75  

Total share-based compensation

   $ 113     $ 170  

 

The following table summarizes the activity of stock options and related information:

 

   

Number of

shares

    

Weighted

average exercise

price

    

Weighted

average

remaining

contractual

term (years)

    

Aggregate

intrinsic value
(in thousands)

  
                                 

Outstanding, December 31, 2025

     485,203     $ 17.19       8.4     $ —  

Stock options granted

     30,000       1.29                  

Stock options forfeited

     (10,193 )     9.94                  

Outstanding, March 31, 2026

     505,010     $ 16.39       8.3     $ —  

Exercisable, March 31, 2026

     157,036     $ 48.34       5.3     $ —  

 

Unrecognized share-based compensation for employee and nonemployee options granted through March 31, 2026 is $534,000 to be recognized over a remaining weighted average service period of 2.3 years.