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Note 21 - Sales and Major Customers (Tables)
12 Months Ended
Jan. 31, 2023
Notes Tables  
Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block]
  

Year Ended January 31,

 
  

2023

  

2022

 

Europe

 $14,814  $8,821 

Asia/South Pacific

  12,876   11,244 

Other

  483   633 

Total

 $28,173  $20,698