v3.26.1
Note 15 - Stock-based Compensation (Tables)
 12 Months Ended
Dec. 31, 2025
Notes Tables  
Schedule of Nonvested Restricted Stock Units Activity [Table Text Block]
           

Weighted Average

  
   

Number of

    

Grant Date

  
   

Shares

    

Fair Value per Share

  
                 

Balance at December 31, 2024

     2,000     $ 18.54  

Granted

     -       -  

Vested

     1,000       18.54  

Forfeited

     -       -  

Balance at December 31, 2025

     1,000     $ 18.54