Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2016

Commitments and Contingencies

Schedule of future minimum lease payments under non-cancelable operating leases and purchase commitments

Future minimum lease payments under non-cancelable operating leases and purchase commitments are (in thousands):

	Operating		Purchase
Year ended December 31,	leases		commitments		Total
2017	$	753	$	760	$	1,513
2018		781		344		1,125
2019		756		—		756
2020		514		—		514
2021		—		—		—
Total minimum payments	$	2,804	$	1,104	$	3,908