Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
Cash flows from operating activities:
Consolidated net loss	$ (82,370)	$ (78,776)
Adjustments to reconcile consolidated net loss to net cash used in operating activities:
Depreciation	3,752	4,082
Impairment of fixed assets	800	50
Amortization of Symphony Icon, Inc. purchase option	0	3,957
Change in fair value of Symphony Icon, Inc. purchase liability	5,198	1,145
Stock-based compensation	4,354	3,958
Net gain on auction rate securities (“ARS”) and ARS Rights	0	(141)
(Gain) loss on disposal of property and equipment	(94)	52
Changes in operating assets and liabilities:
(Increase) decrease in accounts receivable	255	(108)
(Increase) decrease in prepaid expenses and other current assets	(1,454)	6,328
(Increase) decrease in other assets	338	(96)
Increase (decrease) in accounts payable and other liabilities	3,824	(3,311)
Decrease in deferred revenue	(50)	(95)
Net cash used in operating activities	(65,447)	(62,955)
Cash flows from investing activities:
Purchases of property and equipment	(997)	(878)
Proceeds from disposal of property and equipment	2,622	44
Acquisition of Symphony Icon, Inc., net of cash acquired	0	(5,561)
Purchases of investments	(82,625)	(5,999)
Maturities of investments	132,923	43,651
Net cash provided by investing activities	51,923	31,257
Cash flows from financing activities:
Proceeds from issuance of common stock	189	181,491
Repurchase of common stock	(108)	(149)
Proceeds from debt borrowings	0	11,377
Repayment of debt borrowings	(3,244)	(49,587)
Net cash provided by (used in) financing activities	(3,163)	143,132
Net increase (decrease) in cash and cash equivalents	(16,687)	111,434
Cash and cash equivalents at beginning of period	47,208	100,554
Cash and cash equivalents at end of period	30,521	211,988
Supplemental disclosure of cash flow information:
Cash paid for interest	1,925	1,828
Supplemental disclosure of non-cash investing and financing activities:
Unrealized gain (loss) on investments	29	(1)
Intangible assets acquired with long-term liabilities	$ 0	$ (43,557)