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Warranty (Tables)
 9 Months Ended
Sep. 30, 2023
Guarantees [Abstract]  
Schedule of Product Warranty Liability
The following table displays the activity in the warranty provision account for the three and nine months ended September 30, 2023 and October 1, 2022:
 
    
Three Months Ended
    
Nine Months Ended
  
    
September 30,

2023
    
October 1,

2022
    
September 30,

2023
    
October 1,

2022
  
                          
    
(In thousands)
  
Opening balance
    $ 181     $ 214     $ 163     $ 346  
Expenditures incurred under warranties
      (36 )      (60 )      (201 )      (286 ) 
Accruals for product warranties issued during the reporting period
      67       63       239       135  
Adjustments to previously existing warranty accruals
      (10 )      9       1       31  
  
 
 
    
 
 
    
 
 
    
 
 
  
Closing balance
    $ 202     $ 226     $ 202     $ 226  
  
 
 
    
 
 
    
 
 
    
 
 
  
The following table displays the balance sheet classification of the warranty provision account at September 30, 2023 and at December 31, 2022.
 
    
September 30,
2023
     
De
ce
mber 31,
2022
  
               
    
(In thousands)
  
Other accrued liabilities
    $ 173      $ 163  
Other noncurrent liabilities
      29        —   
  
 
 
     
 
 
  
Total warranty provision
    $ 202      $ 163