Property, Plant and Equipment (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Property, Plant and Equipment [Abstract]
Depreciation	$ 0.5	$ 0.6
Sale price assets and property, net		0.7
Proceeds from Sale of Property, Plant, and Equipment		$ 0.7