Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2017

Commitments and Contingencies [Abstract]

Schedule of Approximate Aggregate Minimum Future Payments

The future annual minimum payments under these leases are as follows:

Year Ending December 31,
2018	$	426
2019		174
2020		14
2021		14
2022		14
Total	$	642