Condensed 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
Condensed Consolidated Statements of Operations [Abstract]
Revenues	$ 5,521	$ 4,770	$ 18,386	$ 12,387
Cost of sales	2,926	2,439	9,292	6,416
Gross margin	2,595	2,331	9,094	5,971
Research and development	923	1,605	2,971	5,516
Sales and marketing	834	1,103	2,710	3,634
General and administrative	753	950	2,767	2,908
Restructuring charge		3,339		3,339
Total operating expenses	2,510	6,997	8,448	15,397
Income (loss) from operations	85	(4,666)	646	(9,426)
Interest income, net	5		16	87
Other loss, net			(1)	(79)
Income (loss) before income tax	90	(4,666)	661	(9,418)
Income tax expense (benefit)	31	(374)	54	(552)
Net income (loss)	$ 59	$ (4,292)	$ 607	$ (8,866)
Net income (loss) per share:
Basic EPS	$ 0.01	$ (0.63)	$ 0.09	$ (1.30)
Diluted EPS	$ 0.01	$ (0.63)	$ 0.09	$ (1.30)
Weighted average common shares	6,895	6,830	6,845	6,844
Weighted average common and dilutive shares	7,182	6,830	7,125	6,844