Consolidated Statements of Operations (Unaudited) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Revenues
Contract revenue	$ 2,194,909		$ 3,753,406
Grant revenue	592,800	312,491	1,363,148	1,845,123
Total revenues	2,787,709	312,491	5,116,554	1,845,123
Cost of revenues	(2,109,530)	(245,864)	(3,773,095)	(1,517,469)
Gross profit	678,179	66,627	1,343,459	327,654
Operating expenses:
Research and development	1,089,179	1,216,559	3,333,024	4,113,686
Acquired in-process research and development	4,000,000		4,000,000
Research and development	5,089,179	1,216,559	7,333,024	4,113,686
General and administrative	730,378	710,730	2,437,553	1,918,411
Total operating expenses	5,819,557	1,927,289	9,770,577	6,032,097
Loss from operations	(5,141,378)	(1,860,662)	(8,427,118)	(5,704,443)
Other income (expense):
Change in fair value of warrant liability	791,395	(4,699,846)	(203,703)	(5,349,422)
Interest income, net	428	652	1,041	1,438
Net loss			$ (8,629,780)	$ (11,052,427)