Business Segments (Information by Segment) (Details) (USD $)	3 Months Ended				12 Months Ended
	Mar. 31, 2015		Mar. 31, 2014		Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Segment Reporting Information [Line Items]
Net sales	$ 289,024,000		$ 304,501,000
Charges	(240,000)		(2,240,000)		(11,112,000)	(9,336,000)	(11,395,000)	(10,534,000)
Earnings (loss) before income taxes	(5,039,000)		(16,870,000)
North America/HME
Segment Reporting Information [Line Items]
Net sales	125,164,000		124,542,000
Charges	(199,000)		(803,000)		(4,404,000)	(5,922,000)	(4,247,000)	(4,759,000)
Earnings (loss) before income taxes	(8,830,000)		(17,918,000)
Institutional Products Group
Segment Reporting Information [Line Items]
Net sales	23,914,000		25,136,000
Charges	0		(1,059,000)		(1,924,000)	(267,000)	(35,000)	(123,000)
Earnings (loss) before income taxes	1,298,000		(251,000)
Europe
Segment Reporting Information [Line Items]
Net sales	129,001,000		142,768,000
Charges	(40,000)		(378,000)
Earnings (loss) before income taxes	7,524,000		9,246,000
Asia/Pacific
Segment Reporting Information [Line Items]
Net sales	10,945,000		12,055,000
Charges	(1,000)		0
Earnings (loss) before income taxes	(1,242,000)		(2,801,000)
All Other
Segment Reporting Information [Line Items]
Earnings (loss) before income taxes	(3,789,000)	[1]	(5,146,000)	[1]
Intersegment revenues
Segment Reporting Information [Line Items]
Net sales	32,841,000		28,020,000
Intersegment revenues | North America/HME
Segment Reporting Information [Line Items]
Net sales	23,862,000		18,573,000
Intersegment revenues | Institutional Products Group
Segment Reporting Information [Line Items]
Net sales	146,000		1,573,000
Intersegment revenues | Europe
Segment Reporting Information [Line Items]
Net sales	2,515,000		1,682,000
Intersegment revenues | Asia/Pacific
Segment Reporting Information [Line Items]
Net sales	$ 6,318,000		$ 6,192,000

[1] Consists of un-allocated corporate SG&A costs and intercompany profits, which do not meet the quantitative criteria for determining reportable segments.