Commitments and Contingencies Royalties (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Commitments and Contingencies Disclosure [Abstract]
Royalty Expense	$ 390	$ 500	$ 418
Disposal group, including discontinued operation, royalty expense	$ 1	$ 52