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Note 10 Commitments and Contingencies (Tables)
3 Months Ended
Sep. 28, 2014
Note 10 Commitments And Contingencies Tables  
Rollforward of accrued warranty obligations
  Nine month periods ended
   September 28, 2014  September 29, 2013
Accrued warranty obligations – beginning  $513   $607 
Accruals for warranties issued   77    174 
Settlements made   (90)   (68)
Accrued warranty obligations – ending  $500   $713