Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Revenues:
Product sales	$ 833		$ 1,510
Product royalty revenues	469	$ 892	663	$ 1,846
Research and development reimbursements	80	2,318	855	10,770
Contract revenues	351	10,675	11,759	21,959
Total Revenues:	1,733	13,885	14,787	34,575
Cost of sales	2,621	687	3,745	1,413
Expenses:
Research and development	4,506	7,983	11,054	22,606
General and administrative	13,287	7,256	26,468	11,884
Total Expenses:	17,793	15,239	37,522	34,490
Loss from operations	(18,681)	(2,041)	(26,480)	(1,328)
Interest expense, net	(527)	(519)	(947)	(1,074)
Derivative loss		(4,120)		(8,946)
Other (expense) income, net	(3)	9	23	32
Net loss	$ (19,211)	$ (6,671)	$ (27,404)	$ (11,316)
Basic and diluted loss per share:	$ (0.37)	$ (0.14)	$ (0.53)	$ (0.24)
Weighted average common stock shares outstanding:	52,401,747	48,521,351	52,156,657	46,290,712