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Note 7 - Accumulated Other Comprehensive Loss (Tables)
9 Months Ended
Oct. 31, 2016
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 income
    341  
Amounts reclassified from accumulated other comprehensive loss
     
Net current period other comprehensive income
    341  
Balance as of October 31, 2016
  $ (8,388
)