Consolidated Statements of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Income Statement [Abstract]
Sales	$ 68,924	$ 79,784	$ 218,625	$ 226,358
Cost of sales	50,247	57,743	158,767	162,577
Gross profit	18,677	22,041	59,858	63,781
Selling, general and administrative expenses	20,123	19,572	59,376	57,780
Impairment charge	5,766	0	5,766	0
Other (income) expense, net	(334)	(99)	249	316
(Loss) income from operations	(6,878)	2,568	(5,533)	5,685
Interest expense	171	325	569	841
Interest income	(15)	(14)	(47)	(43)
(Loss) income from continuing operations before income taxes	(7,034)	2,257	(6,055)	4,887
Income taxes	544	1,084	845	1,618
Net (loss) income from continuing operations	(7,578)	1,173	(6,900)	3,269
Gain from disposal of discontinued operation and income from discontinued operations, net of tax	0	306	218	515
Net (loss) income	$ (7,578)	$ 1,479	$ (6,682)	$ 3,784
Basic (loss) earnings per share:
Continuing operations (in dollars per share)	$ (0.60)	$ 0.10	$ (0.55)	$ 0.28
Discontinued operations (in dollars per share)	$ 0.00	$ 0.03	$ 0.02	$ 0.04
Basic (loss) earnings per share (in dollars per share)	$ (0.60)	$ 0.13	$ (0.53)	$ 0.32
Diluted (loss) earnings per share:
Continuing operations (in dollars per share)	$ (0.60)	$ 0.10	$ (0.55)	$ 0.28
Discontinued operations (in dollars per share)	$ 0.00	$ 0.03	$ 0.02	$ 0.04
Diluted (loss) earnings per share (in dollars per share)	$ (0.60)	$ 0.13	$ (0.53)	$ 0.32
Cash dividends declared per share: (in dollars per share)	$ 0.02	$ 0.02	$ 0.06	$ 0.06