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Note 11 - Commitments and Contingencies (Tables)
3 Months Ended
Mar. 29, 2015
Note 11 - Commitments And Contingencies Tables  
Rollforward of Accrued Warranty Obligations

   Three month periods ended
   March 29, 2015  March 30, 2014
Accrued warranty obligations – beginning  $376   $513 
Accruals for warranties issued        37 
Settlements made   (1)   (3)
Accrued warranty obligations – ending  $375   $547