Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2016

Commitments And Contingencies Disclosure [Abstract]

Future Minimum Annual Lease Payments for Operating Leases

Future minimum annual lease payments under existing operating lease commitments are as follows:

Year ending December 31:
2017		1,123
2018		1,145
2019		1,146
2020		1,148
2021		1,086
2022		260
Total	$	5,908