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Note 10 - Stock-based Compensation (Tables)
3 Months Ended
Nov. 30, 2023
Notes Tables  
Share-Based Payment Arrangement, Option, Activity [Table Text Block]
   

Number of Options Outstanding

   

Weighted Average Exercise Price

 

Outstanding as of August 31, 2023

    1,557,131     $ 11.08  

Granted

    269,845     $ 13.25  

Exercised

           

Cancelled/Forfeited

           

Outstanding as of November 30, 2023

    1,826,976     $ 11.40