Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Cash flows from operating activities:
Consolidated net loss	$ (85,338)	$ (82,370)
Adjustments to reconcile consolidated net loss to net cash used in operating activities:
Depreciation	3,274	3,752
Impairment of fixed assets	0	706
Increase in fair value of Symphony Icon, Inc. purchase liability	10,087	5,198
Stock-based compensation	4,905	4,354
Changes in operating assets and liabilities:
Decrease in accounts receivable	117	255
Increase in prepaid expenses and other current assets	(5,256)	(1,454)
Decrease in other assets	70	338
Increase (decrease) in accounts payable and other liabilities	(1,887)	3,824
Decrease in deferred revenue	0	(50)
Net cash used in operating activities	(74,028)	(65,447)
Cash flows from investing activities:
Purchases of property and equipment	(379)	(997)
Proceeds from disposal of property and equipment	7	2,622
Purchases of investments	(151,776)	(82,625)
Maturities of investments	61,070	132,923
Net cash provided by (used in) investing activities	(91,078)	51,923
Cash flows from financing activities:
Proceeds from issuance of common stock	1,055	189
Repurchase of common stock	(285)	(108)
Repayment of debt borrowings	(1,068)	(3,244)
Other financing activities	(146)	0
Net cash used in financing activities	(444)	(3,163)
Net decrease in cash and cash equivalents	(165,550)	(16,687)
Cash and cash equivalents at beginning of period	186,309	47,208
Cash and cash equivalents at end of period	20,759	30,521
Supplemental disclosure of cash flow information:
Cash paid for interest	1,535	1,925
Supplemental disclosure of non-cash investing and financing activities:
Common stock issued in satisfaction of Symphony Icon base payment obligation	35,000	0
Unrealized gain on investments	$ 0	$ 29