Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2017

Commitments and Contingencies [Abstract]

Future Minimum Lease Payments

As of December 31, 2017, minimum payments due under all non-cancelable lease agreements were as follows (in thousands):

Years ending December 31,	Operating Leases
2018	$	86
2019		15
2020		15
Total minimum lease and principal payments	$	116