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Note 20 - Segmented Information (Tables)
12 Months Ended
Jan. 31, 2017
Notes Tables  
Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area [Table Text Block]
Year Ended    
January 31,
2017
     
January 31,
2016
     
January 31,
2015
 
Revenues                        
United States    
106,672
     
96,300
     
73,810
 
Europe, Middle-East and Africa    
75,165
     
68,451
     
72,900
 
Canada    
13,266
     
12,572
     
15,187
 
Asia Pacific    
8,676
     
7,670
     
8,963
 
     
203,779
     
184,993
     
170,860
 
Schedule of Segment Reporting Information, by Segment [Table Text Block]
Year Ended    
January 31,
2017
     
January 31,
2016
     
January 31,
2015
 
Revenues                        
Services    
196,867
     
176,288
     
159,050
 
Licenses    
6,912
     
8,705
     
11,810
 
     
203,779
     
184,993
     
170,860
 
Schedule of Disclosure on Geographic Areas, Long-Lived Assets in Individual Foreign Countries by Country [Table Text Block]
     
January 31,
2017
     
January 31,
2016
 
Total long-lived assets                
United States    
71,805
     
49,192
 
Europe, Middle-East and Africa    
40,872
     
44,963
 
Canada    
43,215
     
48,011
 
     
155,892
     
142,166