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Note 11 - Restricted Cash (Tables)
6 Months Ended
Jul. 31, 2022
Notes Tables  
Restrictions on Cash and Cash Equivalents [Table Text Block]

(In thousands)

  July 31, 2022   July 31, 2021 

Cash and cash equivalents

 $6,192  $5,509 

Restricted cash

  1,501   1,217 

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

 $7,693  $6,726