Condensed Consolidated Statements of Operations (Unaudited) (USD $) In Thousands, except Share data	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Condensed Consolidated Statements of Operations [Abstract]
Revenues	$ 9,552	$ 9,752	$ 18,715	$ 19,624
Cost of revenues	4,070	3,931	7,832	7,947
Gross profit	5,482	5,821	10,883	11,677
Operating expenses:
Research and development	1,448	1,531	2,994	3,017
Sales and marketing	3,388	3,608	6,781	7,297
General and administrative	1,778	1,792	3,717	3,540
Total operating expenses	6,614	6,931	13,492	13,854
Operating loss	(1,132)	(1,110)	(2,609)	(2,177)
Other (expense) income:
Interest and other (expense) income, net	(9)	2	2	4
Loss before income tax benefit	(1,141)	(1,108)	(2,607)	(2,173)
Income tax benefit	905		905
Net loss	$ (236)	$ (1,108)	$ (1,702)	$ (2,173)
Net loss per common share:
Basic and Diluted	$ (0.01)	$ (0.07)	$ (0.10)	$ (0.13)
Weighted average common shares outstanding:
Basic and Diluted	16,428,793	16,330,522	16,408,925	16,323,725