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Note 11 - Deferred Revenues (Tables)
3 Months Ended
Apr. 30, 2017
Notes Tables  
Deferred Revenue, by Arrangement, Disclosure [Table Text Block]
   
April 30,
201
7
   
January 31,
201
7
 
   
(in thousands)
 
Deferred maintenance revenue
  $
70,665
    $
78,923
 
Deferred subscription revenue
   
23,352
     
20,389
 
Deferred services revenue
   
1,686
     
2,550
 
Deferred license revenue
   
884
     
1,740
 
Deferred other revenue
   
648
     
523
 
Deferred revenues, current
   
97,235
     
104,125
 
Deferred revenues, non-current (in Other liabilities)
   
2,569
     
2,353
 
Total deferred revenues
  $
99,804
    $
106,478