Other Financial Information (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Depreciation, Depletion and Amortization	$ 6.0	$ 4.4	$ 2.6
Machinery and Equipment [Member]
Payments to Acquire Machinery and Equipment	0.4
Accumulated depreciation	$ 0.3	$ 0.2