Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2016

Commitments and Contingencies Disclosure [Abstract]

Schedule of Future Minimum Rental Payments for Operating Leases

As of December 31, 2016, future minimum lease payments under all operating leases were as follows (in thousands):

2017	$	974
2018		841
2019		467
Total payments	$	2,282

Operating Leases of Lessee Disclosure

The components of net rent expense for all operating leases for the years ended December 31, 2016, 2015, and 2014, were as follows (in thousands):

	Year ended 31 December
	2016		2015			2014
Rent expense	$	994	$	1,260		$	1,483
Sublease rentals	—		(685		)	(202		)
Rent expense included in discontinued operations	—		—			(160		)
Rent expense, net	$	994	$	575		$	1,121