CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
CONSOLIDATED STATEMENTS OF OPERATIONS [Abstract]
Sales, net	$ 25,411	$ 24,230	$ 26,953
Cost of sales	14,680	14,242	15,098
Gross Profit	10,731	9,988	11,855
Gain on legal settlement	750	0	0
Other costs:
Research and development	1,197	1,854	2,083
Professional services	1,250	1,556	1,398
Salaries and related costs	3,114	3,155	3,003
Selling, general and administration	4,347	4,889	4,656
Legal settlement	1,591	0	0
Asset impairment	0	1,286	0
Total other costs	11,499	12,740	11,140
Income (loss) from operations	(18)	(2,752)	715
Other income (expense):
Interest (expense) income	(237)	(223)	(52)
Change in fair value of liabilities, net	287	513	0
Total other income (expense), net	50	290	(52)
Income (loss) before income taxes	32	(2,462)	663
Provision for current income taxes	0	(7)	(7)
Benefit (provision) for deferred income taxes	77	934	(60)
Total benefit (provision) for income taxes - net	77	927	(67)
Net income (loss)	$ 109	$ (1,535)	$ 596
Earnings (loss) per common share:
Basic (in dollars per share)	$ 0.01	$ (0.09)	$ 0.04
Diluted (in dollars per share)	$ 0.01	$ (0.09)	$ 0.03
Weighted average number of common shares Outstanding - Basic (in shares)	17,597	17,367	16,899
Weighted average number of common shares outstanding adjusted for dilutive securities (in shares)	17,669	17,367	17,836