Commitments and Contingencies (Tables)

9 Months Ended

Sep. 30, 2018

Commitments And Contingencies Disclosure [Abstract]

Future Operating Lease Commitments

Future operating lease commitments are as follows by calendar year (in thousands):

	September 30, 2018
Remainder of 2018	$	312
2019		1,246
2020		646
2021		48
Total commitments	$	2,252