Product Warranty (Tables)

9 Months Ended

Sep. 30, 2022

Product Warranty

Schedule of product warranty liability

	Nine months ended
	September 30,
	2022		2021
	(in thousands)
Balance at January 1 (beginning of year)	$	6,924	$	4,612
Warranties issued during the period		7,454		5,277
Settlements made during the period		(4,633)		(3,099)
Changes in estimate of liability for pre-existing warranties during the period		(78)		(452)
Balance at September 30 (end of period)	$	9,667	$	6,338
Amount classified as current	$	8,482	$	5,741
Amount classified as long-term		1,185		597
Total warranty liability	$	9,667	$	6,338