Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2021

Commitments and Contingencies

Schedule of changes in product warranty reserves

	December 31,
	2021		2020		2019
		(in thousands)
Balance - beginning of the year	$	5,058	$	7,067	$	7,852
Warranties issued		7,102		4,626		5,865
Consumption of reserves		(5,784)		(6,691)		(6,242)
Changes in estimate		1,502		56		(408)
Balance - end of the year	$	7,878	$	5,058	$	7,067

Schedule of maturities of lease liabilities 2020

	Operating
	Leases
	(in thousands)
Payments due by period:
2022	$	4,901
2023		3,979
2024		3,769
2025		3,309
2026		3,496
Thereafter		35,960
Total future minimum lease payments		55,414
Less: Imputed interest		(18,143)
Total	$	37,271
Reported as of December 31, 2021
Accrued expenses and other current liabilities	$	4,437
Long-term operating lease liabilities		32,834
Total	$	37,271

Schedule of customers who accounted for more than 10% of our aggregate accounts receivable or net sales

	Accounts Receivable			Net Sales
	December 31,			For the Year Ended December 31,
Customer	2021		2020	2021		2020		2019
Customer A	14	%	*	15	%	*		*
Customer B	*		*	10	%	*		*
Customer C	12	%	*	*		*		*
Customer D	10	%	*	*		*		*
Customer E	*		*	*		13	%	11	%

* Less than 10% of aggregate accounts receivable or net sales