Income Taxes (Details 2) - USD ($) $ in Millions	Dec. 31, 2015	Dec. 31, 2014
Foreign
Net operating loss carry forwards
Net operating loss carry forwards	$ 34.2
Net operating loss carry forwards for indefinite period	23.6
Net operating loss carry forwards expiring in 2020	5.7
Net operating loss carry forwards expiring in 2023	4.9
Austria
Net operating loss carry forwards
Net operating loss carry forwards	23.6
Dutch
Net operating loss carry forwards
Net operating loss carry forwards	10.6
U.S.
Net operating loss carry forwards
Net operating loss carry forwards	3.6
Net operating loss carry forwards expiring in 2016		$ 2.1
Net operating loss carry forwards expiring in 2017	1.0
Net operating loss carry forwards expiring in 2018	$ 0.5