Condensed Consolidated Statements of Operations (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Income Statement [Abstract]
Sales, net	$ 24,104	$ 25,954	$ 27,989
Expenses
Cost of products	13,972	14,627	14,323
Selling, general and administrative	10,785	11,955	10,167
Total expenses	24,757	26,582	24,490
Operating (loss) income	(653)	(628)	3,499
Other (expense) income:
Interest expense	(107)	(30)	(47)
Interest income	1	1	6
Other (expense) income	(7)	4	(4)
Total other expense	(113)	(25)	(45)
(Loss) income before income taxes	(766)	(653)	3,454
Income tax benefit (expense)	273	(7)	(1,091)
Net (loss) income	$ (493)	$ (660)	$ 2,363
Net (loss) income per share-basic:	$ (0.04)	$ (0.05)	$ 0.18
Net (loss) income per share-diluted:	$ (0.04)	$ (0.05)	$ 0.17
Weighted average shares outstanding-basic	13,514	13,480	13,411
Weighted average shares outstanding-diluted	13,514	13,480	13,600