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Summary of Significant Accounting Policies - Reconciliation of Changes in Warranty Liability (Details) - USD ($)
$ in Thousands
6 Months Ended
Jul. 02, 2022
Jul. 03, 2021
Reconciliation of the changes in the Company's warranty liability    
Balance, beginning of period $ 158 $ 247
Accruals for product warranties 54 45
Cost of warranty claims (102) (41)
Adjustment to pre-existing warranties 97 (71)
Balance, end of period $ 207 $ 180