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Commitments and Contingencies (Tables)
3 Months Ended
Apr. 03, 2020
Commitments and Contingencies Disclosure [Abstract]  
Schedule of Product Warranty Liability The change in product warranty liability was comprised of the following (in thousands):
December 31, 2019
$
1,933

Additions to warranty reserve, net of reversals
14

Adjustments to pre-existing warranties
(66
)
Warranty claims settled
(997
)
April 3, 2020
$
884