Segments (Tables)

6 Months Ended

Jun. 30, 2012

Segment Reporting [Abstract]

Summary of the operating segments

The following table presents a summary of the operating segments:

	Three Months Ended June 30,						Six Months Ended June 30,
(in thousands)	2012			2011			2012			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
Gross profit
Product	10,683			7,899			19,891			15,883
Service	4,901			3,602			9,814			7,127
Total gross profit	15,584			11,501			29,705			23,010
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
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	)

Summary of revenue by product line

The following tables and discussion present the Company’s revenue by product line, as well as revenue by geographic region:

	Three Months Ended June 30,				Six Months Ended June 30,
(in thousands)	2012		2011		2012		2011
Revenue
Product
Devices	$	12,309	$	9,080	$	22,662	$	17,339
Software	3,846		2,845		8,130		6,222
Total product	16,155		11,925		30,792		23,561
Service
Maintenance and support	6,360		5,194		12,470		10,169
Professional services and training	2,363		1,954		4,735		3,666
Total service	8,723		7,148		17,205		13,835
Total revenue	$	24,878	$	19,073	$	47,997	$	37,396

Schedule of revenue by geographic region

The Company’s revenue by geographic region, based on customer location, is summarized as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
(in thousands)	2012		2011		2012		2011
Revenue
United States	$	22,019	$	17,844	$	42,170	$	34,270
International	2,859		1,229		5,827		3,126
Total revenue	$	24,878	$	19,073	$	47,997	$	37,396