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Fair Value of Financial Instruments (Tables)
 3 Months Ended
May 05, 2018
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 May 5, 2018 and February 3, 2018 (in thousands):

  
May 5, 2018
  
February 3, 2018
 
  
Level I
  
Level II
  
Level III
  
Level I
  
Level II
  
Level III
 
Short-term investments
 
$
463
  
$
-
  
$
-
  
$
463
  
$
-
  
$
-
 
Long-term investments
  
2,421
   
-
   
-
   
2,418
   
-
   
-
 
Total investments
 
$
2,884
  
$
-
  
$
-
  
$
2,881
  
$
-
  
$
-