CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Revenues:
Product sales, net	$ 4,626	$ 1,984	$ 8,160	$ 3,274
Cost and expenses:
Cost of goods sold	6,727	1,008	8,447	1,424
Research and development	6,705	7,729	13,951	11,457
Selling, general and administrative	27,327	23,856	51,579	40,493
Operating Expenses, Total	40,759	32,593	73,977	53,374
Operating loss	(36,133)	(30,609)	(65,817)	(50,100)
Investment income, net	41	38	84	68
Interest expense on debt	(5,600)	(5,068)	(10,157)	(8,307)
Gain on extinguishment of debt	21,800		21,800
Other income (expense), net	3,513	(10)	3,513	1,750
Loss before income taxes	(16,379)	(35,649)	(50,577)	(56,589)
Income tax benefit		(5,400)		(12,810)
Net loss	$ (16,379)	$ (30,249)	$ (50,577)	$ (43,779)
Loss per common share:
Basic and diluted	$ (0.23)	$ (0.43)	$ (0.72)	$ (0.63)
Weighted-average number of common shares:
Basic and diluted	70,721	70,075	70,596	70,035