Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2017

Commitments and Contingencies

Schedule of future minimum contractual obligations and commitments

        Future minimum contractual obligations and commitments at December 31, 2017 are as follows:

	Year ending December 31,
(in thousands)	Total		2018		2019		2020		2021		2022		Therafter
Operating lease obligations	$	3,327	$	776	$	500	$	507	$	515	$	522	$	507
Other contractual commitments		10,550		10,550		—		—		—		—		—
Total	$	13,877	$	11,326	$	500	$	507	$	515	$	522	$	507