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CONSOLIDATED STATEMENTS OF OPERATIONS (unaudited) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
CONSOLIDATED STATEMENTS OF OPERATIONS (unaudited) [Abstract]
Sales	$ 6,733	$ 6,154
Cost of sales	3,937	3,721
Gross Profit	2,796	2,433
Gain on legal settlement	0	750
Other costs and expenses:
Research and development	298	347
Professional services	295	344
Salaries and related costs	782	806
Selling, general and administrative	1,025	1,101
Total other costs and expenses	2,400	2,598
Income from operations	396	585
Change in fair value of liabilities, net	(17)	141
Interest (expense) income, net	(58)	(52)
Income before income taxes	321	674
Benefit (provision) for income taxes	(134)	(182)
Total benefit (provision) for income taxes - net	(134)	(182)
Net income (loss)	$ 187	$ 492
Earnings (loss) per common share:
Basic (in dollars per share)	$ 0.01	$ 0.03
Diluted (in dollars per share)	$ 0.01	$ 0.03
Weighted average number of shares outstanding- basic	17,622	17,575
Weighted average number of shares outstanding - dilutive	17,791	17,906

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