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Note 4 - Capitalized Software Costs (Tables)
3 Months Ended
Apr. 30, 2017
Notes Tables  
Schedule of Capitalized Software Costs [Table Text Block]
   
April 30,
201
7
   
January 31,
201
7
 
   
(in thousands)
 
Capitalized software costs:
               
Acquired software technology
  $
3,458
    $
3,458
 
Capitalized software development costs
   
732
     
748
 
     
4,190
     
4,206
 
Less accumulated amortization
   
(3,549
)
   
(3,474
)
Capitalized software costs, net
  $
641
    $
732
 
Schedule of Capitalized Software Costs Amortization Expense [Table Text Block]
Fiscal Years
 
(in thousands)
 
201
8 remaining
  $
443
 
201
9
   
123
 
20
20
   
70
 
202
1
   
5
 
    $
641