CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Revenues:
Product royalties	$ 892,098	$ 855,101	$ 1,846,088	$ 855,101
Research and development reimbursements	2,317,584		10,769,563
Contract revenues	10,674,895	1,908,949	21,958,728	3,530,926
Total Revenues:	13,884,577	2,764,050	34,574,379	4,386,027
Cost of product royalty revenues	686,966	690,207	1,412,563	1,065,207
Expenses:
Research and development	7,982,976	12,758,215	22,606,197	24,790,383
General and administrative	7,249,960	3,110,754	11,871,984	6,021,010
Related party general and administrative, net	6,000	13,000	12,000	29,500
Total Expenses:	15,238,936	15,881,969	34,490,181	30,840,893
Loss from operations	(2,041,325)	(13,808,126)	(1,328,365)	(27,520,073)
Interest (expense) income, net	(518,773)	96,006	(1,074,018)	168,516
Derivative (loss) gain	(4,120,324)	392,586	(8,945,782)	1,417,537
Other income (expense), net	9,053	(95,477)	32,385	(118,631)
Net loss before taxes	(6,671,369)	(13,415,011)	(11,315,780)	(26,052,651)
Income tax expense				(85,000)
Net loss attributable to common stockholders	$ (6,671,369)	$ (13,415,011)	$ (11,315,780)	$ (26,137,651)
Basic earnings per share:	$ (0.14)	$ (0.35)	$ (0.24)	$ (0.69)
Diluted earnings per share:	$ (0.14)	$ (0.35)	$ (0.24)	$ (0.69)
Weighted average common stock shares outstanding	48,521,351	37,998,610	46,290,712	37,756,309