Commitments and Contingencies (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2016 USD ($) ft²	Dec. 31, 2015 USD ($)
Commitments and Contingencies Disclosure [Abstract]
2017	$ 58
2018	59
2019	60
2020	26
2021
Thereafter
Total future minimum rent with non-cancellable terms of one year or more	$ 203
Area leased for office | ft²	2,400
Office rent	$ 57	$ 52