Consolidated Statements of Operations (Unaudited) (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Income Statement [Abstract]
Sales	$ 6,285,000	$ 8,356,000
Cost of goods sold	3,456,000	3,797,000
Gross profit	2,829,000	4,559,000
Selling and marketing	1,395,000	1,614,000
Research and development	1,181,000	1,697,000
General and administrative	849,000	950,000
Restructuring charges	243,000
Total operating expenses	3,668,000	4,261,000
(Loss) income from operations	(839,000)	298,000
Other (expense) income, net	(9,000)	(30,000)
(Loss) income before income taxes	(848,000)	268,000
Income tax provision (benefit)	18,000	(21,000)
Net (loss) income	$ (866,000)	$ 289,000
Basic (loss) income per share	$ (0.08)	$ 0.03
Diluted income per share		$ 0.03
Weighted average number of common shares used in basic and diluted income (loss) per share	11,116,397	11,116,397