CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) (USD $) In Thousands, except Per Share data	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
CONSOLIDATED STATEMENTS OF OPERATIONS [Abstract]
Sales	$ 6,256	$ 6,501	$ 19,252	$ 17,997
Cost of sales	3,650	3,797	11,167	10,692
Gross profit	2,606	2,704	8,085	7,305
Gain from settlement of litigation	0	0	750	0
Other costs and expenses:
Research and development	288	442	924	1,466
Professional services	289	556	906	1,235
Salaries and related costs	785	782	2,391	2,386
Selling, general and administrative	996	1,039	3,231	3,456
Total other costs and expenses	2,358	2,819	7,452	8,543
Income (loss) from operations	248	(115)	1,383	(1,238)
Change in fair value of liabilities, net	(67)	182	181	799
Interest (expense) income, net	(42)	(58)	(141)	(169)
Income (loss) before income taxes	139	9	1,423	(608)
Provision for current income taxes	0	0	0	0
Benefit (provision) for deferred income taxes	(76)	(5)	(439)	442
Total benefit (provision) for income taxes - net	(76)	(5)	(439)	442
Net income (loss)	$ 63	$ 4	$ 984	$ (166)
Earnings (loss) per share
Basic	$ 0	$ 0	$ 0.06	$ (0.01)
Diluted	$ 0	$ 0	$ 0.06	$ (0.01)
Weighted average number of shares outstanding- basic	17,601	17,557	17,592	17,301
Weighted average number of shares outstanding - dilutive	17,774	17,756	17,807	17,301