Consolidated Statements of Stockholders' Equity (USD $) In Thousands	Total	Common Stock	Additional Paid-In Capital	Accumulated Deficit	Accumulated Other Comprehensive Gain	Treasury Stock	Total	Noncontrolling Interest
Balance, value at Dec. 31, 2008								$ 10,247
Balance, value at Dec. 31, 2008	195,827
Balance, value at Dec. 31, 2008		137	672,838	(487,395)	0	0	185,580
Balance, shares at Dec. 31, 2008		136,797
Stock-based compensation	5,639	0	5,639	0	0	0	5,639	0
Grant of stock, shares		534
Issuance of common stock, net of fees, shares		38,333
Issuance of common stock, net of fees, value	55,172	39	55,133	0	0	0	55,172	0
Exercise of common stock options, shares		121
Exercise of common stock options, value	264	0	264	0	0	0	264	0
Repurchase of common stock	(88)	0	0	0	0	(88)	(88)	0
Net loss	(82,780)	0	0	(82,780)	0	0	(82,780)
Net loss attributable to noncontrolling interest	(10,537)							(10,537)
Net loss including portion attributable to noncontrolling interest	(93,317)
Balance, value at Dec. 31, 2009								(290)
Balance, value at Dec. 31, 2009	163,497
Balance, value at Dec. 31, 2009		176	733,874	(570,175)	0	(88)	163,787
Balance, shares at Dec. 31, 2009		175,785
Deconsolidation of Symphony Icon, Inc.	290	0	0	0	0	0	0	290
Cumulative-effect adjustment for adoption of new accounting principle	(1,456)	0	0	(1,456)	0	0	(1,456)	0
Stock-based compensation	5,116	0	5,116	0	0	0	5,116	0
Issuance of common stock, net of fees, shares		161,770
Issuance of common stock, net of fees, value	181,474	162	181,312	0	0	0	181,474	0
Exercise of common stock options, shares		11
Exercise of common stock options, value	22	0	22	0	0	0	22	0
Repurchase of common stock	(149)	0	0	0	0	(149)	(149)	0
Net loss	(101,775)	0	0	(101,775)	0	0	(101,775)
Net loss attributable to noncontrolling interest	0							0
Net loss including portion attributable to noncontrolling interest	(101,775)
Unrealized gain on investments	5	0	0	0	5	0	5	0
Comprehensive loss							(101,770)
Comprehensive loss, including portion attributable to noncontrolling interest	(101,770)
Balance, value at Dec. 31, 2010								0
Balance, value at Dec. 31, 2010	247,024
Balance, value at Dec. 31, 2010	247,024	338	920,324	(673,406)	5	(237)	247,024
Balance, shares at Dec. 31, 2010		337,566
Stock-based compensation	5,707	0	5,707	0	0	0	5,707	0
Grant of stock, shares		200
Grant of stock, value	363	0	363	0	0	0	363	0
Issuance of common stock, net of fees, shares		142,493
Issuance of common stock, net of fees, value	160,592	142	160,450	0	0	0	160,592	0
Exercise of common stock options, shares		130
Exercise of common stock options, value	189	0	189	0	0	0	189	0
Repurchase of common stock	(108)	0	0	0	0	(108)	(108)	0
Net loss	(116,215)	0	0	(116,215)	0	0	(116,215)
Net loss attributable to noncontrolling interest	0							0
Net loss including portion attributable to noncontrolling interest	(116,215)
Unrealized gain on investments	16	0	0	0	16	0	16	0
Comprehensive loss							(116,199)
Comprehensive loss, including portion attributable to noncontrolling interest	(116,199)
Balance, value at Dec. 31, 2011								0
Balance, value at Dec. 31, 2011	297,568
Balance, value at Dec. 31, 2011	$ 297,568	$ 480	$ 1,087,033	$ (789,621)	$ 21	$ (345)	$ 297,568
Balance, shares at Dec. 31, 2011		480,389