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Note 13 - Commitments, Contingencies and Guarantees (Tables)
12 Months Ended
Jan. 31, 2016
Commitments and Contingencies Disclosure [Abstract]  
Schedule of Future Minimum Rental Payments for Leases [Table Text Block]
Years Ended January 31,   Operating Leases     Capital Leases     Total  
2017     4,152       134       4,286  
2018     2,845       66       2,911  
2019     1,872       -       1,872  
2020     685       -       685  
2021     254       -       254  
      9,808       200       10,008