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Note 11 - Restricted Cash (Tables)
9 Months Ended
Oct. 31, 2021
Notes Tables  
Restrictions on Cash and Cash Equivalents [Table Text Block]

(In thousands)

  October 31, 2021   October 31, 2020 

Cash and cash equivalents

 $10,018  $6,593 

Restricted cash

  1,746   1,154 

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

 $11,764  $7,747