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]
Products and services revenue	$ 13,047	$ 6,002	$ 35,282	$ 15,085
License fees and royalty revenue	14	218	419	1,422
Net revenue	13,061	6,220	35,701	16,507
Cost of revenue	7,743	4,429	19,931	12,515
Gross profit	5,318	1,791	15,770	3,992
Operating expenses:
Sales and marketing	3,217	2,110	8,680	7,825
General and administrative	1,987	1,330	5,913	5,031
Engineering and development	1,052	775	3,238	2,990
Total operating expenses	6,256	4,215	17,831	15,846
Loss from operations	(938)	(2,424)	(2,061)	(11,854)
Gain (loss) on foreign currency transactions	44	(118)	(10)	(75)
Interest income		1		2
Interest expense	(2)	(157)	(306)	(216)
Non-operating gain (loss), net	42	(274)	(316)	(289)
Loss before income tax provision	(896)	(2,698)	(2,377)	(12,143)
Income tax provision	57	28	79	52
Net loss	$ (953)	$ (2,726)	$ (2,456)	$ (12,195)
Net loss per share:
Basic	$ (0.03)	$ (0.10)	$ (0.09)	$ (0.48)
Diluted	$ (0.03)	$ (0.10)	$ (0.09)	$ (0.48)
Shares used in the calculation of net loss per share:
Basic	30,227	25,287	28,514	25,262
Diluted	30,227	25,287	28,514	25,262