Condensed Consolidated Statements of Operations (USD $) In Thousands, except Per Share data	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Revenue:
Software licenses	$ 5,610	$ 4,319	$ 10,814	$ 8,336
Services	1,709	1,116	3,318	2,307
Total revenue	7,319	5,435	14,132	10,643
Cost of revenue:
Software licenses	2,906	2,087	5,662	4,298
Services	590	492	1,156	954
Total cost of revenue	3,496	2,579	6,818	5,252
Gross profit	3,823	2,856	7,314	5,391
Operating expenses:
Marketing and selling	1,031	899	2,086	1,702
Research and development	2,076	1,627	4,274	3,019
General and administrative	2,070	1,044	3,313	1,787
Total operating expenses	5,177	3,570	9,673	6,508
Operating loss	(1,354)	(714)	(2,359)	(1,117)
Interest and other income, net	181	51	205	64
Loss before provision for income taxes	(1,173)	(663)	(2,154)	(1,053)
Provision for income taxes	78	22	131	30
Net loss	$ (1,251)	$ (685)	$ (2,285)	$ (1,083)
Basic and diluted net loss per share	$ (0.12)	$ (0.07)	$ (0.22)	$ (0.11)
Basic and diluted weighted average shares outstanding	10,178	9,876	10,165	9,856