Intangible Assets

9 Months Ended

Sep. 30, 2011

Goodwill and Long-Lived Assets and Intangible Assets [Abstract]

Intangible Assets

12. Intangible Assets

The following table sets forth our acquired intangible assets by major asset class as of September 30, 2011 and December 31, 2010 (in thousands except useful life data):

	Useful life (years)		September 30, 2011												December 31, 2010
			Gross		Accumulated amortization			Net book value before		Impairment Charge			Net book value		Gross		Accumulated amortization			Net book value
Amortizing:
Purchased technology		1-3	$	7,347	$	(6,783	)	$	564	$	(564	)	$	—	$	7,347	$	(5,344	)	$	2,003
In process R&D		2		990		(248	)		742		(742	)		—		990		(62	)		928
Capitalized software		1-7		23,846		(17,673	)		6,173		(6,173	)		—		23,846		(15,336	)		8,510
Customer lists		3-5		1,484		(1,461	)		23		(23	)		—		1,484		(1,328	)		156
Database		10		182		(70	)		112		(112	)		—		182		(56	)		126
Trademarks		5-10		926		(605	)		321		(321	)		—		926		(537	)		389
Trade names		1-7		2,121		(1,506	)		615		(615	)		—		2,121		(1,208	)		913
Non-compete		2		21		(18	)		3		(3	)		—		21		(13	)		8
Customer relationships		4-7		11,130		(6,308	)		4,822		(4,822	)		—		11,130		(4,704	)		6,426
Totals			$	48,047	$	(34,672	)	$	13,375	$	(13,375	)	$	—	$	48,047	$	(28,588	)	$	19,459

Aggregate amortization expense on intangible assets prior to the impairment charge was $2.1 million and $6.1 million for the three and nine months ended September 30, 2011. There is no future amortization expense on these intangible assets due to the recorded impairment.