Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
Cash flows from operating activities:
Consolidated net loss	$ (56,267)	$ (51,263)
Adjustments to reconcile consolidated net loss to net cash used in operating activities:
Depreciation	2,571	2,745
Impairment of fixed assets	800	0
Amortization of Symphony Icon, Inc. purchase option	0	1,357
Change in fair value of Symphony Icon, Inc. purchase liability	2,862	0
Stock-based compensation	2,922	2,625
Net gain on auction rate securities (“ARS”) and ARS Rights	0	(141)
Gain on disposal of property and equipment	(15)	(10)
Changes in operating assets and liabilities:
(Increase) decrease in accounts receivable	239	(851)
(Increase) decrease in prepaid expenses and other current assets	(991)	3,053
Decrease in other assets	366	49
Increase (decrease) in accounts payable and other liabilities	2,360	(1,459)
Decrease in deferred revenue	(76)	(428)
Net cash used in operating activities	(45,229)	(44,323)
Cash flows from investing activities:
Purchases of property and equipment	(815)	(562)
Proceeds from disposal of property and equipment	2,516	29
Purchases of investments	(64,126)	0
Maturities of investments	83,609	32,600
Net cash provided by investing activities	21,184	32,067
Cash flows from financing activities:
Proceeds from issuance of common stock	188	181,491
Repurchase of common stock	(108)	(149)
Proceeds from debt borrowings	0	11,377
Repayment of debt borrowings	(2,915)	(33,319)
Net cash provided by (used in) financing activities	(2,835)	159,400
Net increase (decrease) in cash and cash equivalents	(26,880)	147,144
Cash and cash equivalents at beginning of period	47,208	100,554
Cash and cash equivalents at end of period	20,328	247,698
Supplemental disclosure of cash flow information:
Cash paid for interest	1,385	1,220
Supplemental disclosure of non-cash investing and financing activities:
Unrealized gain on investments	$ 66	$ 0