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Note 13 - Business Segment Information (Tables)
6 Months Ended
Jul. 31, 2020
Notes Tables  
Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block]
  

Three Months Ended

July 31,

  

Six Months Ended

July 31,

 
  

2020

  

2019

  

2020

  

2019

 
  

(in thousands)

  

(in thousands)

 

Revenue:

                

North America (1)

 $38,998  $36,837  $76,000  $74,496 

EMEA

  21,379   22,118   43,947   44,627 

Asia Pacific

  9,571   11,751   19,213   23,637 

Latin America

  4,133   5,672   9,068   11,653 
  $74,081  $76,378  $148,228  $154,413