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Note 11 - Restricted Cash (Tables)
3 Months Ended
Apr. 30, 2022
Notes Tables  
Restrictions on Cash and Cash Equivalents [Table Text Block]

(In thousands)

  April 30, 2022   April 30, 2021 

Cash and cash equivalents

 $6,375  $8,483 

Restricted cash

  1,524   1,164 

Cash, cash equivalents and restricted cash shown in the statement of cash flows

 $7,899  $9,647