CONDENSED CONSOLIDATED STATEMENTS OF INCOME (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Income Statement [Abstract]
Net sales	$ 21,453	$ 20,428
Cost of goods sold	15,433	14,416
Gross profit	6,020	6,012
Selling, general and administrative expense	4,586	4,429
Operating income	1,434	1,583
Other non-operating income, net	16
Interest expense	(59)	(121)
Income from continuing operations before income taxes	1,391	1,462
Provision for income taxes	496	599
Income from continuing operations	895	863
Income from discontinued operations, net of tax		660
Net income	$ 895	$ 1,523
Basic and diluted income per common share:
Continuing operations	$ 0.07	$ 0.07
Discontinued operations		$ 0.05
Net income	$ 0.07	$ 0.12
Cash dividends per share	$ 0.125	$ 0.125
Shares used in the calculation of basic and diluted income per share	12,392	12,386