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Note 10 - Goodwill (Tables)
 12 Months Ended
Jan. 31, 2018
Notes Tables  
Condensed Cash Flow Statement [Table Text Block]
     
January 31,

2018
      
January 31,

2017
  
Balance at beginning of year    
263,113
      
217,486
  
Acquisition of Pixi    
-
      
6,705
  
Acquisition of Appterra    
-
      
3,766
  
Acquisition of 4Solutions    
-
      
1,351
  
Acquisition of Datamyne    
(435
 )    
35,115
  
Acquisition of ShipRush    
8,603
      
-
  
Acquisition of PCSTrac    
5,815
      
-
  
Acquisition of MacroPoint    
65,213
      
-
  
Adjustments on account of foreign exchange    
7,839
      
(1,310
 )
Balance at end of year    
350,148
      
263,113