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Note 10 Commitments and Contingencies Warranty Activity (Detail) (USD $)
In Thousands, unless otherwise specified
6 Months Ended
Jun. 29, 2014
Jun. 30, 2013
Note 10 Commitments And Contingencies Warranty Activity Detail    
Accrued warranty obligations - beginning $ 513 $ 607
Accrual for warranties issued 66 120
Settlements made (50) (46)
Accrued warranty obligations - ending $ 529 $ 681