Consolidated Statements of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Income Statement [Abstract]
Sales	$ 78,851	$ 79,355	$ 149,701	$ 146,574
Cost of sales	56,890	56,588	108,520	104,834
Gross profit	21,961	22,767	41,181	41,740
Selling, general and administrative expenses	20,133	19,963	39,253	38,208
Other expense, net	192	139	583	415
Income from operations	1,636	2,665	1,345	3,117
Interest expense	155	311	398	516
Interest income	(12)	(14)	(32)	(29)
Income from continuing operations before income taxes	1,493	2,368	979	2,630
Income taxes	144	312	301	534
Net income from continuing operations	1,349	2,056	678	2,096
Gain from disposal of discontinued operation and income from discontinued operations, net of tax	0	209	218	209
Net income	$ 1,349	$ 2,265	$ 896	$ 2,305
Basic earnings per share:
Continuing operations (in dollars per share)	$ 0.11	$ 0.18	$ 0.05	$ 0.18
Discontinued operations (in dollars per share)	$ 0.00	$ 0.01	$ 0.02	$ 0.02
Basic earnings per share (in dollars per share)	$ 0.11	$ 0.19	$ 0.07	$ 0.20
Diluted earnings per share:
Continuing operations (in dollars per share)	$ 0.11	$ 0.18	$ 0.05	$ 0.18
Discontinued operations (in dollars per share)	$ 0.00	$ 0.01	$ 0.02	$ 0.02
Diluted earnings per share (in dollars per share)	$ 0.11	$ 0.19	$ 0.07	$ 0.20
Cash dividends declared per share: (in dollars per share)	$ 0.02	$ 0.02	$ 0.04	$ 0.04