Lease (Tables)

6 Months Ended

Jun. 28, 2019

The components of lease expense are as follows (in thousands):



	Three months ended		Six months ended
	June 28, 2019		June 28, 2019
Operating lease cost	$	2,231	$	4,227
Variable lease cost	744		1,523
Total lease cost	$	2,975	$	5,750

Supplemental cash flow information related to leases are as follows (in thousands):



	Three months ended		Six months ended
	June 28, 2019		June 28, 2019
Cash paid for amounts included in the measurement of operating lease liabilities	$	2,494	$	4,624
ROU assets obtained in exchange for operating lease obligations	$	10,305	$	10,305

Other information related to leases are as follows:



	Six months ended
	June 28, 2019
Operating leases
Weighted-average remaining lease term (years)	7.1 years
Weighted-average discount rate	6.7	%

Future Minimum Lease Payments under non-cancellable Operating Leases

Future minimum lease payments under non-cancelable operating leases as of June 28, 2019 are as follows (in thousands):



Years ending December 31,
2019 (remaining six months)	$	5,624
2020	9,525
2021	5,819
2022	4,444
2023	4,206
Thereafter	20,577
Total future minimum lease payments	$	50,195
Less: imputed interest	(11,259		)
Total	$	38,936

Schedule of Future Minimum Rental Payments for Operating Leases

Future minimum lease payments under non-cancelable operating leases as of December 31, 2018, as defined under the previous lease accounting guidance of ASC Topic 840, were as follows (in thousands):



Years ending December 31,
2019	$	13,515
2020	10,139
2021	4,088
2022	2,523
2023	2,220
Thereafter	6,694
Total future minimum lease payments	$	39,179