Commitments and Contingencies (Tables)

6 Months Ended

Jun. 30, 2020

Commitments and Contingencies Disclosure [Abstract]

Schedule of Warranty Activity

Warranty activity during the three and six months ended June 30, 2020 and 2019 consisted of the following (in thousands):

	Three Months Ended June 30,				Six Months Ended June 30,
	2020		2019		2020		2019
Warranty accrual, beginning of period	$	4,173	$	2,627	$	3,840	$	2,980
Warranties issued	1,015		768		1,855		1,421
Changes in liability for existing warranties	(52)		47		(139)		(97)
Settlements	(285)		(544)		(705)		(1,406)
Warranty accrual, end of period	$	4,851	$	2,898	$	4,851	$	2,898

Schedule of Annual Minimum Operating Lease Payments

The future annual undiscounted cash flows in relation to the operating leases and a reconciliation of such undiscounted cash flows to the operating lease liabilities recognized in the condensed consolidated balance sheet as of June 30, 2020 are presented below (in thousands):

Remainder of 2020	$	647
2021	1,092
2022	816
2023	1,216
2024	86
Thereafter	153
Total future lease payments	$	4,010
Less: Interest	849
Present value of lease liabilities	$	3,161