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Note 5 - Goodwill and Intangible Assets (Tables)
9 Months Ended
Oct. 31, 2017
Notes Tables  
Schedule of Goodwill [Table Text Block]
   
Gross Carrying
Amount
   
Accumulated
Impairment
   
Goodwill, Net
 
   
(in thousands)
 
Balance at January 31, 2017
  $
26,166
    $
(15,608
)
  $
10,558
 
Impact of foreign currency translation
   
262
     
-
     
262
 
Balance at
October 31, 2017
  $
26,428
    $
(15,608
)
  $
10,820
 
Schedule of Finite-Lived Intangible Assets [Table Text Block]
   
October
31,
2017
   
January 31,
2017
 
   
(in thousands)
 
Amortizable intangible assets
               
Customer relationships (1)
  $
1,500
    $
2,721
 
Trade name
   
183
     
515
 
     
1,683
     
3,236
 
Less: accumulated amortization
   
(1,627
)
   
(2,821
)
Net amortizable intangible assets
  $
56
    $
415