Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2016

Commitments And Contingencies Disclosure [Abstract]

Aggregate Non-Cancelable Future Minimum Rental Payments under Operating Leases

Aggregate non-cancelable future minimum rental payments under operating leases as of December 31, 2016, were as follows (in thousands): 

Year Ending December 31,	Payments
2017	$	654
2018	$	332
Total rental payments	$	986