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CONSOLIDATED STATEMENTS OF OPERATIONS (UNAUDITED) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
CONSOLIDATED STATEMENTS OF OPERATIONS (UNAUDITED) [Abstract]
Sales	$ 7,440	$ 6,841	$ 14,173	$ 12,995
Cost of sales	4,584	3,796	8,521	7,517
Gross profit	2,856	3,045	5,652	5,478
Gain from settlement of litigation	0	0	0	750
Other costs and expenses:
Research and development	349	289	647	635
Professional services	358	273	653	617
Salaries and related costs	788	800	1,570	1,606
Selling, general and administration	1,121	1,134	2,146	2,235
Total other costs and expenses	2,616	2,496	5,016	5,093
Income from operations	240	549	636	1,135
Change in fair value of liabilities, net	44	107	27	248
Interest expense, net	(58)	(46)	(116)	(98)
Income before income taxes	226	610	547	1,285
Provision for income taxes, net	(74)	(181)	(208)	(364)
Net income	$ 152	$ 429	$ 339	$ 921
Earnings (loss) per share
Basic (in dollars per share)	$ 0.01	$ 0.02	$ 0.02	$ 0.05
Diluted (in dollars per share)	$ 0.01	$ 0.02	$ 0.02	$ 0.05
Weighted average number of shares outstanding- basic (in shares)	17,629	17,600	17,625	17,587
Weighted average number of shares outstanding - dilutive (in shares)	17,768	17,827	17,769	17,829

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