Balance Sheet Details

12 Months Ended

Dec. 31, 2011

Organization, Basis of Presentation and Summary of Significant Accounting Policies and Balance Sheet Details [Abstract]

Balance Sheet Details

4. Balance Sheet Details

Short-Term Investments

Available-for-sale securities with contractual maturities of less than 12 months were as follows (in thousands):

	December 31, 2011							December 31, 2010
			Amortized		Net unrealized					Amortized		Net unrealized
	Fair value		cost basis		loss			Fair value		cost basis		loss
Corporate notes, bonds and paper	$	31,180	$	31,217	$	(33	)	$	39,691	$	39,704	$	(8	)
Government securities		7,317		7,321		(2	)		15,003		15,007		(2	)
Total	$	38,497	$	38,538	$	(35	)	$	54,694	$	54,711	$	(10	)

There was $1,000 of realized losses recognized in interest and other income for the year ended December 31, 2011. There were no realized gains (losses) recognized in interest and other income for the years ended December 31, 2010 and 2009.

Intangible Assets

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

			December 31, 2011												December 31, 2010
								Net book
	Useful  life (years)				Accumulated			value before		Impairment			Net book				Accumulated			Net book
			Gross		amortization			impairment		Charge			value		Gross		amortization			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 was $6.1 million, $8.9 million, and $8.8 million for the years ended December 31, 2011, 2010, and 2009 respectively. There is no future amortization expense on these intangible assets due to the recorded impairment.

Equipment and Improvements

Equipment and improvements consist of the following (in thousands):

	December 31,
	2011			2010
Computer hardware, software, and equipment	$	16,277		$	10,368
Leasehold improvements		6,283			6,237
Office furniture and fixtures		1,712			1,055
		24,272			17,660
Less accumulated depreciation and amortization		(8,790	)		(6,037	)
Equipment and improvements, net	$	15,482		$	11,623

Depreciation and amortization expense on equipment and improvements was $4.1 million, $2.9 million and $1.7 million for the years ended December 31, 2011, 2010 and 2009 respectively.

The Company recorded an impairment charge against certain leasehold improvements in the amount of $5.3 million for the year ended December 31, 2011. Please see Note 1 above, “Impairment or Disposal of Long-Lived Assets.”

Other Assets

These are primarily office rent deposits.

Accrued Liabilities

Accrued liabilities consist of the following (in thousands):

	December 31,
	2011		2010
Salaries and benefits	$	4,417	$	6,731
Restructuring		1,665		-
Earnouts/holdbacks		1,210		1,210
Royalties and revenue sharing		326		416
Marketing expenses, rebates and other		23		87
Total accrued liabilities	$	7,641	$	8,444