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Note 6 - Impairment of Long-lived Assets (Tables)
 9 Months Ended
Oct. 31, 2023
Notes Tables  
Schedule of Goodwill [Table Text Block]
  

January 31, 2023

  

Foreign exchange change effect

  

October 31, 2023

 

Goodwill

 $2,227  $(75) $2,152