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Note 3 - Fair Value Measurements (Tables)
6 Months Ended
Jun. 24, 2012
Fair Value Measurements, Recurring and Nonrecurring [Table Text Block]
 
Fair Value Measurements
 
 
Level 1
 
Level 2
 
Level 3
 
Total
 
Assets
               
Cash Equivalents
$ 14,950     —     —     14,950  
Marketable Securities
  5,838     30,584     —     36,422  
 
Fair Value Measurements
 
 
Level 1
 
Level 2
 
Level 3
 
Total
 
Assets
               
Cash Equivalents
$ 10,103     1,500     —     11,603  
Marketable Securities
  5,304     —     —     5,304