Business Segments - (Narrative) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2017
North America/HME
Segment Reporting Information [Line Items]
Revenue, Net Amount Restated Among Business Segments	$ 5,212,000	$ 1,091,000
Operating Income (Loss), Amount Restated Among Segments	$ 128,000	$ 75,000
Customer Concentration Risk | Net Sales
Segment Reporting Information [Line Items]
Maximum percent of revenue from single customer			4.10%