Condensed Consolidated Statements of Operations (Unaudited) (USD $) In Thousands, except 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	$ 10,956	$ 9,723	$ 29,671	$ 29,347
Cost of revenues	4,532	3,961	12,364	11,908
Gross profit	6,424	5,762	17,307	17,439
Operating expenses:
Research and development	1,547	1,519	4,541	4,536
Sales and marketing	3,501	3,740	10,282	11,037
General and administrative	1,562	1,693	5,279	5,233
Total operating expenses	6,610	6,952	20,102	20,806
Operating loss	(186)	(1,190)	(2,795)	(3,367)
Interest and other (expense) income, net	(10)	7	(8)	11
Loss before income tax benefit	(196)	(1,183)	(2,803)	(3,356)
Income tax benefit			905
Net loss	$ (196)	$ (1,183)	$ (1,898)	$ (3,356)
Net loss per common share:
Basic and Diluted	$ (0.01)	$ (0.07)	$ (0.12)	$ (0.21)
Weighted average common shares outstanding:
Basic and Diluted	16,455,800	16,359,705	16,424,722	16,334,603