Commitments and Contingencies (Tables)

6 Months Ended

Jun. 30, 2018

Commitments and Contingencies Disclosure [Abstract]

Schedule of Aggregate Future Non-Cancelable Minimum Lease Payments

As of June 30, 2018, the aggregate future non-cancelable minimum lease payments associated with these operating leases are as follows:

Years Ending December 31:	Operating Leases
	(in thousands)
Remainder of 2018	$	219
2019		262
2020		216
2021		219
2022		175
Thereafter		—
Total (a)	$	1,091

(a) Minimum lease payments have not been reduced by minimum sublease rentals of $0.1 million due in the future under sublease.