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Commitments and Contingencies (Tables)
12 Months Ended
Dec. 31, 2021
Commitments and Contingencies Disclosure [Abstract]  
Schedule of Product Warranty Liability The change in product warranty liability for fiscal years 2021 and 2020 comprises the following (in thousands):
20212020
Beginning balance$163 $1,933 
Additions to warranty reserve, net of reversals(15)(156)
Adjustments to pre-existing warranties (71)(119)
Warranty claims settled— (1,495)
Acquisitions$432 — 
Ending balance$509 $163