XML 38 R27.htm IDEA: XBRL DOCUMENT v3.25.2
Note 5 - Share-based Compensation (Tables)
6 Months Ended
Jun. 30, 2025
Notes Tables  
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block]
   

Three Months Ended June 30,

 
   

2025

   

2024

 
                 

Selling, general and administrative

  $ 17,715     $ 39,383  

Research, development and engineering

    4,122       9,388  
    $ 21,837     $ 48,771  
   

Six Months Ended June 30,

 
   

2025

   

2024

 
                 

Selling, general and administrative

  $ 62,546     $ 87,025  

Research, development and engineering

    11,779       18,539  
    $ 74,325     $ 105,564