Condensed Consolidated Statements Of Operations (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
Revenue:
Software licenses	$ 5,207	$ 4,739	$ 16,021	$ 13,075
Services	1,601	1,243	4,919	3,550
Total revenue	6,808	5,982	20,940	16,625
Cost of revenue:
Software licenses	2,936	2,346	8,598	6,644
Services	666	518	1,822	1,472
Total cost of revenue	3,602	2,864	10,420	8,116
Gross profit	3,206	3,118	10,520	8,509
Operating expenses:
Marketing and selling	1,129	945	3,215	2,647
Research and development	2,128	2,057	6,402	5,076
General and administrative	1,760	1,207	5,073	2,994
Total operating expenses	5,017	4,209	14,690	10,717
Operating loss	(1,811)	(1,091)	(4,170)	(2,208)
Interest and other income (expense), net	(62)	45	143	109
Loss before provision for income taxes	(1,873)	(1,046)	(4,027)	(2,099)
Provision for income taxes	77	128	208	158
Net loss	$ (1,950)	$ (1,174)	$ (4,235)	$ (2,257)
Basic and diluted net loss per share	$ (0.19)	$ (0.12)	$ (0.41)	$ (0.23)
Basic and diluted weighted average shares outstanding	10,394	9,921	10,242	9,878