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Note 10 Commitments and Contingencies (Tables)
3 Months Ended
Mar. 30, 2014
Note 10 Commitments And Contingencies Tables  
Rollforward of accrued warranty obligations

   Three month periods ended
   March 30, 2014  March 31, 2013
Accrued warranty obligations – beginning  $513   $607 
Accruals for warranties issued   37    53 
Settlements made   (3)   (16)
Accrued warranty obligations – ending  $547   $644