Condensed Consolidated Statements of Operations (Unaudited) - USD ($)	3 Months Ended	9 Months Ended
Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Revenue:
Revenue from licensing agreements, grants and other	$ 37,030	$ 82,406	$ 88,158	$ 129,469
Operating expenses:
Research and development	7,719,720	4,396,873	21,250,896	14,865,874
General and administrative	2,305,241	2,065,117	7,058,166	6,444,786
Total operating expenses	10,024,961	6,461,990	28,309,062	21,310,660
Loss from operations	(9,987,931)	(6,379,584)	(28,220,904)	(21,181,192)
Other income (expense):
Change in fair value of warrant liability	427,589	4,076,360	1,068,626	95,266
Interest income	2,171	2,223	5,704	6,097
Interest expense	(106,843)	(311,349)	(438,466)	(1,035,061)
Other income (expense), net	22,367	(7,244)	129,978	(38,128)
Total other income (expense), net	345,284	3,759,990	765,842	(971,826)
Net loss from continuing operations	(9,642,647)	(2,619,594)	(27,455,062)	(22,153,018)
Discontinued operations:
Loss from discontinued operations		(137,592)		(339,648)
Net loss	$ (9,642,647)	$ (2,757,186)	$ (27,455,062)	$ (22,492,666)
Basic and diluted net loss per share:
Basic and diluted net loss per share from continuing operations	$ (0.09)	$ (0.04)	$ (0.30)	$ (0.38)
Basic and diluted net loss per share from discontinued operations	0	0	0	0
Basic and diluted net loss per share	$ (0.09)	$ (0.04)	$ (0.30)	$ (0.38)
Weighted average number of common shares outstanding, basic and diluted	108,478,361	66,535,000	91,106,853	59,224,989

The amount of net income or loss for the period per each share in instances when basic and diluted earnings per share are the same amount and reported as a single line item on the face of the financial statements. Basic earnings per share is the amount of net income or loss for the period per each share of common stock or unit outstanding during the reporting period. Diluted earnings per share includes the amount of net income or loss for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

No definition available.