Condensed Consolidated Statements of Operations (Unaudited) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Income Statement [Abstract]
Sales, net	$ 7,824	$ 7,073
Expenses
Cost of products	4,678	3,838
Selling, general and administrative	2,546	2,736
Total expenses	7,224	6,574
Operating income	600	499
Other expense:
Other expense	1	(20)
Total other expense	1	(20)
Income before income taxes	601	479
Income tax expense	(126)	(74)
Net income	$ 475	$ 405
Net earnings per share-basic:	$ 0.03	$ 0.03
Net earnings per share-diluted:	$ 0.03	$ 0.03
Weighted average shares outstanding-basic	13,623,220	13,545,482
Weighted average shares outstanding-diluted	13,711,967	13,556,369