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Note 20 - Segmented Information (Tables)
12 Months Ended
Jan. 31, 2016
Segment Reporting [Abstract]  
Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area [Table Text Block]
    January 31,
2016
    January 31,
2015
    January 31,
2014
 
Revenues                        
United States     96,300       73,810       69,905  
Europe, Middle-East and Africa     68,451       72,900       62,531  
Canada     12,572       15,187       14,388  
Asia Pacific     7,670       8,963       4,470  
      184,993       170,860       151,294  
Schedule of Segment Reporting Information, by Segment [Table Text Block]
    January 31,
2016
    January 31,
2015
    January 31,
2014
 
Revenues                        
Services     176,288       159,050       137,795  
Licenses     8,705       11,810       13,499  
      184,993       170,860       151,294  
Schedule of Disclosure on Geographic Areas, Long-Lived Assets in Individual Foreign Countries by Country [Table Text Block]
    January 31,
2016
    January 31,
2015
 
Total long-lived assets                
United States     49,192       59,041  
Europe, Middle-East and Africa     44,963       57,711  
Canada     48,011       6,203  
      142,166       122,955