Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Income Statement [Abstract]
Sales	$ 82,356	$ 78,851	$ 151,484	$ 149,701
Cost of sales	58,892	56,890	109,772	108,520
Gross profit	23,464	21,961	41,712	41,181
Selling, general and administrative expenses	21,071	20,133	40,671	39,253
Other expense, net	10	192	75	583
Income from operations	2,383	1,636	966	1,345
Interest expense	154	155	311	398
Interest income	(23)	(12)	(40)	(32)
Income from continuing operations before income taxes	2,252	1,493	695	979
Income taxes	666	144	517	301
Income from continuing operations	1,586	1,349	178	678
Gain from disposal of discontinued operation, net of tax	0	0	0	218
Net income	$ 1,586	$ 1,349	$ 178	$ 896
Basic earnings per share:
Continuing operations (in dollars per share)	$ 0.12	$ 0.11	$ 0.01	$ 0.05
Discontinued operations (in dollars per share)	0.00	0.00	0.00	0.02
Earnings per share (in dollars per share)	0.12	0.11	0.01	0.07
Diluted earnings per share:
Continuing operations (in dollars per share)	0.12	0.11	0.01	0.05
Discontinued operations (in dollars per share)	0.00	0.00	0.00	0.02
Diluted earnings per share (in dollars per share)	0.12	0.11	0.01	0.07
Cash dividends declared per share: (in dollars per share)	$ 0.02	$ 0.02	$ 0.04	$ 0.04