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Product Warranty Provisions (Tables)
3 Months Ended
Mar. 31, 2022
Guarantees and Product Warranties [Abstract]  
Schedule of Accrued Warranty

Accrued warranty, which is included in other accrued liabilities, consists of the following (in thousands):

 

   March 31, 2022   December 31, 2021 
Warranty accrual, beginning of the fiscal period  $242   $158 
Accrual adjustment for product warranty   80    199 
Payments made   (85)   (115)
Warranty accrual, end of the fiscal period  $237   $242