Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2018

Commitments And Contingencies Disclosure [Abstract]

Schedule of Future Minimum Lease Payments under Operating Leases

Future minimum lease payments under operating leases as of December 31, 2018 are as follows (in thousands):

	Leases
Year ending December 31,
2019	$	3,989
2020		4,924
2021		5,073
2022		5,258
2023		5,522
Thereafter		8,086
Total	$	32,852

Schedule of Activities Related to Warranty Obligations

Activities related to warranty obligations were as follows (in thousands):

	December 31,
	2018			2017
Beginning Balance	$	708		$	645
Provision for warranty		2,334			1,468
Utilization		(1,806	)		(1,405	)
Ending Balance	$	1,236		$	708