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Accumulated Other Comprehensive Loss - Changes in the Balance of Accumulated Other Comprehensive Loss (Detail) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Oct. 31, 2015
Nov. 01, 2014
Oct. 31, 2015
Nov. 01, 2014
Schedule of Capitalization, Equity [Line Items]        
Beginning Balance     $ (699)  
Other Comprehensive Loss $ (1) $ (313) (129) $ (356)
Ending Balance (828)   (828)  
Foreign Currency Translation Adjustments [Member]        
Schedule of Capitalization, Equity [Line Items]        
Beginning Balance     (714)  
Other Comprehensive Loss     (120)  
Ending Balance (834)   (834)  
Unrealized Holding Gain on Available for Sale Securities [Member]        
Schedule of Capitalization, Equity [Line Items]        
Beginning Balance     15  
Other Comprehensive Loss     (9)  
Ending Balance $ 6   $ 6