Leases (Tables)

12 Months Ended

Dec. 31, 2017

Leases [Abstract]

Future lease payments for operating leases with initial or remaining noncancelable terms of one year or more

At December 31, 2017, future lease payments for operating leases with initial or remaining noncancelable terms of one year or more consisted of the following:

2018	$	297
2019		297
2020		80
2021 and thereafter		6
Total minimum payments required	$	680