Segments (Tables)

9 Months Ended

Sep. 30, 2012

Segment Reporting [Abstract]

Summary of the operating segments

The following table presents a summary of the operating segments:

	Three months ended September 30,					Nine months ended September 30,
(in thousands)	2012		2011			2012			2011
Revenue
Product	$	16,851	$	13,087		$	47,643		$	36,648
Service	9,117		7,314			26,322			21,149
Total revenue	25,968		20,401			73,965			57,797
Gross profit
Product	11,614		8,797			31,505			24,680
Service	5,374		3,453			15,188			10,580
Total gross profit	16,988		12,250			46,693			35,260
Research and development	3,043		2,379			8,248			6,970
Sales and marketing	8,532		7,542			24,064			20,717
General and administrative	3,745		3,197			10,449			8,278
Income (loss) from operations	1,668		(868		)	3,932			(705		)
Interest income	60		5			86			13
Interest expense and other finance charges	—		(112		)	(74		)	(234		)
Other income (expense), net	50		132			(1,442		)	(1,085		)
Income (loss) before income taxes	$	1,778	$	(843	)	$	2,502		$	(2,011	)

Summary of revenue by product line

The following table presents the Company’s revenue by product line:

	Three months ended September 30,				Nine months ended September 30,
(in thousands)	2012		2011		2012		2011
Revenue
Product
Devices	$	12,140	$	9,513	$	34,802	$	26,852
Software	4,711		3,574		12,841		9,796
Total product	16,851		13,087		47,643		36,648
Service
Maintenance and support	6,687		5,536		19,158		15,705
Professional services and training	2,430		1,778		7,164		5,444
Total service	9,117		7,314		26,322		21,149
Total revenue	$	25,968	$	20,401	$	73,965	$	57,797

Schedule of revenue by geographic region

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

	Three months ended September 30,				Nine months ended September 30,
(in thousands)	2012		2011		2012		2011
Revenue
United States	$	23,332	$	18,770	$	65,502	$	53,049
International	2,636		1,631		8,463		4,748
Total revenue	$	25,968	$	20,401	$	73,965	$	57,797