Accrued Liabilities and Other (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Payables and Accruals [Abstract]
Accrued vacation	$ 801	$ 799
Accrued paid personal leave	585	613
Accrued bonus	1,549	1,023
Other	557	339
Total	$ 3,492	$ 2,774