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Note 11 - Share-based Incentive Plan (Tables)
3 Months Ended
Mar. 31, 2023
Notes Tables  
Share-Based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block]

Outstanding shares:

 

Common Shares

 
     

Balance at December 31, 2022

  349,042 

Granted

  929,665 

Forfeited

  (11,401)

Vested

  (27,371)

Balance at March 31, 2023

  1,239,935