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Note 15 - Stockholders' Equity (Tables)
6 Months Ended
May 31, 2022
Notes Tables  
Class of Treasury Stock [Table Text Block]
  

Number of

     

Average Cost

 
  

Shares

  

Cost of Shares

  

per Share

 

Shares purchased - February 2022

  296,168  $2,653,571  $9.0 

Shares purchased - March 2022

  754,081   7,346,422  $9.7 

Shares purchased - May 2022

  729,709   4,999,993  $6.9 

Total

  1,779,958  $14,999,986  $8.4