Income Taxes - Operating Loss Carryforwards (Details 7) $ in Thousands	Dec. 31, 2015 USD ($)
Federal
Gross operating loss carryforwards
Operating loss carryforwards	$ 549
State
Gross operating loss carryforwards
Operating loss carryforwards	$ 11,716
State | Tax Year 2020 and thereafter
Gross operating loss carryforwards
Percentage of operating loss carryforwards	97.00%
Foreign
Gross operating loss carryforwards
Operating loss carryforwards	$ 8,582
Foreign | No expiration
Gross operating loss carryforwards
Percentage of operating loss carryforwards	95.00%