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Note 11 - Commitments and Contingencies - Changes in Produce Warranty Liability (Details) - USD ($)
$ in Thousands
6 Months Ended
Jul. 01, 2018
Jul. 02, 2017
Accrued Warranty Obligations – Beginning $ 149 $ 172
Accruals for Warranties Issued 7 29
Settlements Made (5) (38)
Accrued Warranty Obligations – Ending $ 151 $ 163