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Note 14 - Commitments, Contingencies and Guarantees (Details Textual) - USD ($)
$ in Thousands
 12 Months Ended
Jan. 31, 2021
Jan. 31, 2020
Deferred Share Units Nonvested Total Compensation Cost Not Yet Recognized $ 0  
Cash Settled Restricted Share Units Nonvested Total Compensation Cost Not Yet Recognized $ 1,500  
Derivative Instrument, Shares of Common Stock Held (in shares) 226,525  
Deferred Share Unit Liability, Number of Common Shares (in shares) 226,525  
CORE, Kontainers and ShipTrack [Member]    
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High   $ 31,600
Business Combination, Contingent Consideration Arrangements, Period for Revenue Performance Targets (Year)   2 years
Business Combination, Contingent Consideration, Liability, Total   $ 4,700