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Note 9 - Accumulated Other Comprehensive Loss (Tables)
 12 Months Ended
Jan. 31, 2017
Notes Tables  
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]
 
 
Foreign Currency
Translation
Adjustments
 
 
 
(in thousands)
 
Balance as of January 31, 2016
   $
(8,729
)
Other comprehensive loss before reclassifications
    
98
  
Amounts reclassified from accumulated other comprehensive loss
    
—
  
Net current period other comprehensive loss
    
98
  
Balance as of January 31, 2017
   $
(8,631
)