Condensed Consolidated Statements of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Revenue
Product	$ 16,155	$ 11,925	$ 30,792	$ 23,561
Service	8,723	7,148	17,205	13,835
Total revenue	24,878	19,073	47,997	37,396
Cost of revenue
Product	5,472	4,026	10,901	7,678
Service	3,822	3,546	7,391	6,708
Total cost of revenue	9,294	7,572	18,292	14,386
Gross profit	15,584	11,501	29,705	23,010
Operating expenses
Research and development	2,694	2,433	5,205	4,591
Sales and marketing	8,002	6,702	15,532	13,175
General and administrative	3,617	2,842	6,704	5,081
Total operating expenses	14,313	11,977	27,441	22,847
Income (loss) from operations	1,271	(476)	2,264	163
Interest income	14	3	26	8
Interest expense and other finance charges	(3)	(61)	(74)	(122)
Other income (expense), net	105	(752)	(1,492)	(1,217)
Income (loss) before income taxes	1,387	(1,286)	724	(1,168)
Provision for income taxes	(206)	(211)	(379)	(174)
Net income (loss)	$ 1,181	$ (1,497)	$ 345	$ (1,342)
Net income (loss) per common share
Basic and diluted	$ 0.00	$ (0.45)	$ 0.00	$ (0.42)
Weighted average common shares - outstanding basic	21,738	3,313	12,700	3,164
Weighted average common shares - outstanding diluted	24,520	3,313	15,421	3,164