Consolidated Statements of Operations (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Revenues
Contract revenue	$ 3,160,050	$ 1,082,141	$ 5,791,037	$ 1,794,547
Grant revenue		17,686		121,566
Total revenues	3,160,050	1,099,827	5,791,037	1,916,113
Cost of revenues	(2,342,539)	(816,702)	(4,574,874)	(1,344,101)
Gross profit	817,511	283,125	1,216,163	572,012
Operating expenses:
Research and development	827,832	1,442,914	2,256,332	2,472,798
General and administrative	999,637	874,962	1,875,494	1,692,232
Total operating expenses	1,827,469	2,317,876	4,131,826	4,165,030
Loss from operations	(1,009,958)	(2,034,751)	(2,915,663)	(3,593,018)
Other income (expense):
Change in fair value of warrant liability	525,328	(1,943,494)	1,285,485	(4,955,110)
Other income	390,599		390,599
Interest income (expense)	1,256	551	(2,629)	1,112
Total other income (expense)	917,183	(1,942,943)	1,673,455	(4,953,998)
Net loss	$ (92,775)	$ (3,977,694)	$ (1,242,208)	$ (8,547,016)
Basic net loss per share	$ 0.00	$ (0.15)	$ (0.04)	$ (0.34)
Diluted net loss per share	$ (0.02)	$ (0.15)	$ (0.08)	$ (0.34)
Basic weighted average common shares outstanding	31,769,369	25,726,264	31,524,391	25,066,038
Diluted weighted average common shares outstanding	32,733,781	25,726,264	32,679,813	25,066,038