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Note 11 - Share-based Incentive Plan (Tables)
9 Months Ended
Sep. 30, 2022
Notes Tables  
Share-Based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block]

Outstanding shares:

 

Common Shares

 
         

Balance at December 31, 2021

    295,471  

Granted

    402,839  

Forfeited

    (11,780 )

Vested

    (108,967 )

Balance at September 30, 2022

    577,563