v3.26.1
Note 9 - Shareholders' Equity (Tables)
6 Months Ended
Jun. 30, 2023
Notes Tables  
Nonvested Restricted Stock Shares Activity [Table Text Block]
   

Unvested Restricted

Common Shares

 
           

Weighted-Average

 
   

Number of

   

Grant-Date

 
   

Shares

   

Fair Value

 
                 

Unvested at December 31, 2021

    168,449     $ 11.44  

Vested

    -        

Unvested at December 31, 2022

    168,449     $ 11.44  

Vested

    -        

Unvested at June 30, 2023

    168,449     $ 11.44