Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2017

Commitments and Contingencies [Abstract]

Schedule of Future Minimum Rental Payments for Operating Leases

Future minimum lease payments under non-cancelable operating leases as of December 31, 2017 are as follows (in thousands):

Year
2018	$	2,398
2019		2,251
2020		2,151
2021		1,155
2022		507
2023 and thereafter		-
Total minimum lease payments (a)	$	8,462
(a) Minimum lease payments have not been reduced by minimum sublease rentals of $35 thousand due in the future under non-cancelable subleases.