Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2016

Future Minimum Lease Payments

As of December 31, 2016, future minimum lease payments are as follows.

(in thousands)
2017	$	2,824
2018		2,783
2019		2,859
2020		2,790
2021		2,874
Thereafter		6,777
	$	20,907

Activity in Warranty Provision Account

The following table displays the activity in the warranty provision account for fiscal 2016 and 2015:

	2016			2015
	(in thousands)
Beginning balance	$	982		$	1,186
Expenditures incurred under warranties		(488	)		(463	)
Accruals for product warranties		943			837
Adjustments to previously existing warranty accruals		(430	)		(578	)
Ending balance	$	1,007		$	982