Segment Information (Tables)

9 Months Ended

Sep. 30, 2012

Segment Information [Abstract]

Summary of Company's operating segments

	For the three months ended September 30,						For the nine months  ended September 30,
	2012			2011			2012			2011
Imperva:
Net revenue	$	26,122		$	19,711		$	71,941		$	54,952
Operating loss		(957	)		(1,884	)		(4,238	)		(6,617	)
Provision for income tax		224			199			597			443
Net loss		(1,134	)		(2,073	)		(4,783	)		(7,254	)
Depreciation and amortization		427			394			1,237			1,101
Stock-based compensation		1,755			567			3,575			1,137
Total assets	$	136,401		$	39,028		$	136,401		$	39,028
Incapsula:
Net revenue	$	222		$	27		$	475		$	35
Operating loss		(705	)		(717	)		(2,024	)		(1,905	)
Provision for income tax		38			6			45			28
Net loss		(857	)		(796	)		(2,247	)		(1,977	)
Depreciation and amortization		35			9			75			22
Stock-based compensation		7			11			21			17
Total assets	$	4,378		$	3,437		$	4,378		$	3,437

Components of net services revenue

	For the three months ended September 30,				For the nine months  ended September 30,
	2012		2011		2012		2011
Maintenance and support	$	8,582	$	6,452	$	24,072	$	17,766
Professional services and training		1,749		1,418		4,589		3,478
Subscriptions		1,336		404		2,982		922
Total net services revenue	$	11,667	$	8,274	$	31,643	$	22,166

Company's net revenue by geographic region, based on the customer's location

	For the three months ended September 30,				For the nine months  ended September 30,
	2012		2011		2012		2011
Americas	$	16,226	$	12,115	$	43,341	$	34,316
EMEA		5,623		4,284		16,412		12,805
APAC		4,495		3,339		12,663		7,866
Total net revenue	$	26,344	$	19,738	$	72,416	$	54,987

Long-lived assets by location

	As of September 30,		As of December 31,
	2012		2011
United States	$	1,852	$	1,815
Israel		2,584		2,196
Other		21		15
Total long-lived assets	$	4,457	$	4,026