Condensed Consolidated Statements of Operations (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Income Statement [Abstract]
Sales, net	$ 27,023	$ 27,576
Expenses
Cost of products	15,276	14,511
Selling, general and administrative	10,106	10,172
Total expenses	25,382	24,683
Operating income	1,641	2,893
Other (expense) income:
Interest expense		(4)
Interest income		1
Other income (expense)	16	(9)
Total other expense	16	(12)
Income before income taxes	1,657	2,881
Income tax expense	(515)	(816)
Net income	$ 1,142	$ 2,065
Net income per share-basic:	$ 0.08	$ 0.15
Net income per share-diluted:	$ 0.08	$ 0.15
Weighted average shares outstanding-basic	13,569	13,542
Weighted average shares outstanding-diluted	13,627	13,544