Condensed Consolidated Statements of Operations (Unaudited) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Income Statement [Abstract]
Sales, net	$ 8,112	$ 6,976	$ 21,809	$ 18,361
Expenses
Cost of products	4,084	3,467	11,473	10,594
Selling, general and administrative	2,633	2,541	7,598	8,273
Total expenses	6,717	6,008	19,071	18,867
Operating income (loss)	1,395	968	2,738	(506)
Other expense:
Net interest expense	0	(27)	(3)	(89)
Other expense	(3)	(2)	(10)	(8)
Total other expense	(3)	(29)	(13)	(97)
Income (loss) before income taxes	1,392	939	2,725	(603)
Income tax benefit	(508)	(25)	(996)	(25)
Net income (loss)	$ 884	$ 914	$ 1,729	$ (628)
Net earnings (loss) per share-basic:	$ 0.07	$ 0.07	$ 0.13	$ (0.05)
Net earnings (loss) per share-diluted:	$ 0.07	$ 0.07	$ 0.13	$ (0.05)
Weighted average shares outstanding-basic	13,545,482	13,518,638	13,541,250	13,512,125
Weighted average shares outstanding-diluted	13,549,146	13,525,082	13,543,631	13,512,125