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FAIR VALUE OF FINANCIAL INSTRUMENTS (Tables)
12 Months Ended
Jan. 31, 2015
FAIR VALUE OF FINANCIAL INSTRUMENTS [Abstract]  
Fair value, assets measured on recurring and non recurring basis
The table below segregates all financial assets and liabilities 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 (in thousands):

 
January 31, 2015
 
February 1, 2014
 
 
Level I
 
Level II
 
Level III
 
Level I
 
Level II
 
Level III
 
Short-term investments
 
$
87
  
$
-
  
$
-
  
$
509
  
$
-
  
$
-
 
Long-term investments
  
2,619
   
-
   
-
   
2,107
   
-
   
-
 
Total investments
 
$
2,706
  
$
-
  
$
-
  
$
2,616
  
$
-
  
$
-