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:
Service	$ 3,165	$ 2,918	$ 6,234	$ 6,432
License and subscription	6,308	2,330	12,330	9,008
Total revenue	9,473	5,248	18,564	15,440
Cost of revenue:
Service	1,614	1,483	3,198	3,283
License and subscription	76	57	141	114
Total cost of revenue	1,690	1,540	3,339	3,397
Gross profit	7,783	3,708	15,225	12,043
Operating expenses:
Sales and marketing	1,017	759	2,119	1,500
Research, development and engineering	1,884	1,321	3,659	2,580
General and administrative	2,270	1,687	5,117	3,572
Intellectual property	266	319	567	576
Total operating expenses	5,437	4,086	11,462	8,228
Operating income (loss)	2,346	(378)	3,763	3,815
Net loss from joint ventures	(698)	(561)	(1,235)	(1,018)
Interest income, net	48	61	106	122
Income (loss) before provision for income taxes	1,696	(878)	2,634	2,919
(Provision) benefit for income taxes	1,930	(18)	1,930	(39)
Net income (loss)	$ 3,626	$ (896)	$ 4,564	$ 2,880
Earnings (loss) per share:
Net income (loss) per share-basic	$ 0.54	$ (0.13)	$ 0.67	$ 0.41
Net income (loss) per share-diluted	$ 0.50	$ (0.13)	$ 0.62	$ 0.39
Weighted average shares outstanding-basic	6,696	7,097	6,780	7,097
Weighted average shares outstanding-diluted	7,245	7,097	7,381	7,403