Leases (Tables)

12 Months Ended

Dec. 31, 2021

Leases [Abstract]

Components of Lease Expense

Components of lease expense were as follows:

		Year Ended December 31,
Lease Cost	Classification	2021			2020		2019
Operating lease cost	Operating expenses	$	1,644		$	1,698	$	1,550
Operating lease cost	Inventory		276			488		4,206
Sublease income	Operating expenses		(520	)		—		—
Total operating lease cost		$	1,400		$	2,186	$	5,756
Finance lease cost
Amortization of right-of-use assets	Operating expenses		35			41		41
Amortization of right-of-use assets	Inventory		19			36		—
Interest on lease liabilities	Other income (expense), net		8			10		4
Total finance lease cost		$	62		$	87	$	45
Variable lease cost	Inventory		—			—		10,568
Total lease cost		$	1,462		$	2,273	$	16,369

Supplemental Cash Flow Information Related to Operating and Finance Leases

Supplemental cash flow information related to operating and finance leases was as follows (in thousands):

	Year Ended December 31,
	2021		2020		2019
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash outflows from operating leases	$	1,716	$	1,758	$	5,419
Operating cash outflows from finance leases		69		85		44
Finance cash flows from finance leases	$	—	$	—	$	—
Right-of-use assets obtained in exchange for lease obligations:
Operating leases	$	965	$	1,242	$	8,667
Finance leases		—		157		117

Supplemental Balance Sheet Information Related to Operating and Finance Leases

Supplemental balance sheet information related to operating and finance leases was as follows (in thousands, except lease term and discount rate):

	December 31,			December 31,
	2021			2020
Reported as:
Other assets
Operating lease right-of-use assets	$	6,488		$	7,176
Finance lease right-of-use assets		77			158
Total right-of use assets	$	6,565		$	7,334
Accrued and other current liabilities
Operating lease liabilities	$	1,595		$	1,504
Finance lease liabilities		71			84
Warranty reserve and other long-term liabilities
Operating lease liabilities		5,576			5,946
Finance lease liabilities		28			77
Total lease liabilities	$	7,270		$	7,611
Weighted average remaining lease term (years)
Operating leases		4			5
Finance leases		2			2
Weighted average discount rate
Operating leases		8.16	%		7.75	%
Finance leases		6.90	%		6.15	%

Maturities of Operating and Finance Lease Liabilities

As of December 31, 2021, maturities of the Company’s operating and finance lease liabilities are as follows (in thousands):

Period	Operating leases		Finance leases		Total
2022	$	2,184	$	63	$	2,247
2023		2,269		38		2,307
2024		1,818		3		1,821
2025		898		—		898
2026		852		—		852
2027		586		—		586
Total lease payments	$	8,607	$	104	$	8,711
Less imputed interest		1,436		5		1,441
Total lease liabilities	$	7,171	$	99	$	7,270