Quarterly report pursuant to Section 13 or 15(d)

Warranty Liability - Schedule of Warranty Liability Which is Included in Accrued Expenses on Condensed Consolidated Balance Sheet (Details)

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Warranty Liability - Schedule of Warranty Liability Which is Included in Accrued Expenses on Condensed Consolidated Balance Sheet (Details) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Guarantees And Product Warranties [Abstract]    
Beginning balance $ 1,530 $ 1,154
Additions 880 1,269
Cost of warranty claims (1,114) (1,187)
Ending balance $ 1,296 $ 1,236