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Fair Value of Financial Instruments (Tables)
9 Months Ended
Oct. 29, 2011
Fair Value of Financial Instruments [Abstract]  
Financial assets measured at fair value on a recurring basis
The table below segregates all financial assets that are measured at fair value on a recurring basis (at least annually) into the most appropriate level within the fair value hierarchy based on the inputs used to determine the fair value as of October 29, 2011 and January 29, 2011 (in thousands):


   
October 29, 2011
  
January 29, 2011
 
   
Level I
  
Level II
  
Level III
  
Level I
  
Level II
  
Level III
 
Short-term investments
 $-  $-  $-  $-  $-  $- 
Long-term investments
  1,156   -   -   901   -   - 
  Total investments
 $1,156  $-  $-  $901  $-  $-