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Note 14 - Business Segment Information (Tables)
3 Months Ended
Apr. 30, 2021
Notes Tables  
Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block]
  

Three Months Ended

April 30,

 
  

2021

  

2020

 
  

(in thousands)

 

Revenue:

        

North America (1)

 $39,240  $37,002 

EMEA

  28,713   22,568 

Asia Pacific

  10,268   9,642 

Latin America

  4,750   4,935 
  $82,971  $74,147