Consolidated Statements of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Revenues:
Product sales, net	$ 6,949	$ 4,916	$ 17,921	$ 13,076
Co-promotion revenue	(382)
Total Revenues	6,567	4,916	17,921	13,076
Cost and expenses:
Cost of goods sold	1,419	4,222	7,007	12,669
Research and development	4,147	6,796	16,307	20,747
Selling, general and administrative	14,320	20,427	47,283	72,006
Operating Expenses, Total	19,886	31,445	70,597	105,422
Operating loss	(13,319)	(26,529)	(52,676)	(92,346)
Investment income, net	9	41	62	125
Interest expense on debt	(7,364)	(6,805)	(21,680)	(16,962)
Gain on extinguishment of debt				21,800
Other income (expense), net	240	(6,408)	1,740	(2,895)
Loss before income taxes	(20,434)	(39,701)	(72,554)	(90,278)
Income tax benefit			2,242
Net loss	$ (20,434)	$ (39,701)	$ (70,312)	$ (90,278)
Loss per common share:
Basic and diluted	$ (0.28)	$ (0.56)	$ (0.98)	$ (1.28)
Weighted-average number of common shares:
Basic and diluted	72,353	70,956	72,056	70,718