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Note 3 - Fair Values of Assets and Liabilities (Tables)
6 Months Ended
Jul. 29, 2017
Notes Tables  
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]
 
 
July 29
, 201
7
 
 
 
Fair Value
 
 
Quoted Prices in Active Markets for Identical Assets (Level 1)
 
 
Significant Observable Inputs (Level 2)
 
 
Significant Unobservable Inputs (Level 3)
 
                                 
Money market funds
  $
81
    $
81
    $
-
    $
-
 
Fixed income mutual funds
   
1,284
     
1,284
     
-
     
-
 
Total cash equivalents and marketable securities
   
1,365
     
1,365
     
-
     
-
 
Restricted cash
   
323
     
323
     
-
     
-
 
Total assets measured at fair value
  $
1,688
    $
1,688
    $
-
    $
-
 
 
 
January 28, 2017
 
 
 
Fair Value
 
 
Quoted Prices in Active Markets for Identical Assets (Level 1)
 
 
Significant Observable Inputs (Level 2)
 
 
Significant Unobservable Inputs (Level 3)
 
                                 
Money market funds
  $
3,715
    $
3,715
    $
-
    $
-
 
Corporate bonds
   
3,505
     
3,505
     
-
     
-
 
Fixed income mutual funds
   
1,276
     
1,276
     
-
     
-
 
Total cash equivalents and marketable securities
   
8,496
     
8,496
     
-
     
-
 
Restricted cash
   
303
     
303
     
-
     
-
 
Total assets measured at fair value
  $
8,799
    $
8,799
    $
-
    $
-