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Note D - Fair Value Measurements (Tables)
9 Months Ended
Dec. 28, 2014
Notes Tables  
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]
December
28
, 201
4
 
Level 1
 
 
Level 2
 
 
Level 3
 
 
Carrying
Value
 
Marketable securities
 
$
-
 
 
$
6,819
 
 
$
-
 
 
$
6,819
 
Total assets at fair value
 
$
-
 
 
$
6,819
 
 
$
-
 
 
$
6,819
 
March 30, 2014
 
Level 1
   
Level 2
   
Level 3
   
Carrying
Value
 
Marketable securities
  $ -     $ 11,187     $ -     $ 11,187  
Total assets at fair value
  $ -     $ 11,187     $ -     $ 11,187