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Note 21 - Supplemental Cash Flow Information (Tables)
 12 Months Ended
Jan. 31, 2021
Notes Tables  
Schedule of Cash Flow, Supplemental Disclosures [Table Text Block]
Year Ended     January 31,       January 31,       January 31,  
      2021       2020       2019  
Trade accounts receivable    
143
      
3,733
      
(135
 )
Other accounts receivable    
(7,098
 )    
(2,547
 )    
(451
 )
Prepaid expenses and other    
(5,029
 )    
(5,942
 )    
(4,466
 )
Inventory    
99
      
(345
 )    
74
  
Accounts payable    
(686
 )    
1,768
      
(1,065
 )
Accrued liabilities    
(999
 )    
3,265
      
2,570
  
Income taxes payable    
3,835
      
(1,550
 )    
(2,423
 )
Operating leases    
283
      
546
      
-
  
Deferred revenue    
5,877
      
(4,184
 )    
2,047
  
     
(3,575
 )    
(5,256
 )    
(3,849
 )