Condensed Consolidated Balance Sheets (USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010
ASSETS
Cash and cash equivalents	$ 70,698	$ 155,645
Short-term investments, available-for-sale	192,704	98,091
Accounts receivable, net of allowance of $10 and $15	19,758	19,189
Other receivables	4,262	1,185
Prepaid expenses and other current assets	1,577	2,163
Net assets of discontinued operations		16,161
Total current assets	288,999	292,434
Property and equipment, net	6,814	7,304
Goodwill	57,465	57,465
Other intangible assets, net	282	282
Other long-term assets	4,264	4,258
Total assets	357,824	361,743
LIABILITIES AND STOCKHOLDERS' EQUITY
Accounts payable	12,503	2,699
Accrued expenses and other current liabilities	20,779	39,518
Liabilities of discontinued operations		7,777
Total current liabilities	33,282	49,994
Other long-term liabilities	757	955
Total liabilities	34,039	50,949
Stockholders' equity:
Common stock, par value $0.0001-authorized, 900,000,000 shares; issued and outstanding 37,963,589 and 36,088,646 shares	4	4
Additional paid-in capital	1,337,020	1,322,265
Accumulated deficit	(1,013,248)	(1,011,473)
Accumulated other comprehensive income (loss)	9	(2)
Total stockholders' equity	323,785	310,794
Total liabilities and stockholders' equity	$ 357,824	$ 361,743