Condensed Consolidated Statements of Operations (Unaudited) - USD ($)	3 Months Ended	9 Months Ended
Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Operating expenses
Research and development	$ 1,684,215	$ 1,421,851	$ 5,747,399	$ 3,360,563
General and administrative	1,613,983	1,888,119	8,901,197	5,966,504
Total operating expenses	3,298,198	3,309,970	14,648,596	9,327,067
Operating loss	(3,298,198)	(3,309,970)	(14,648,596)	(9,327,067)
Other income	12,284	104	26,846	242
Loss before income taxes	(3,285,914)	(3,309,866)	(14,621,750)	(9,326,825)
Income taxes
Net loss	(3,285,914)	(3,309,866)	(14,621,750)	(9,326,825)
Deemed dividend attributable to preferred stock				(11,479,308)
Net loss applicable to common shareholders	$ (3,285,914)	$ (3,309,866)	$ (14,621,750)	$ (20,806,133)
Loss per common share - basic and diluted (in dollars per share)	$ (0.36)	$ (0.64)	$ (1.77)	$ (5.71)
Weighted average shares outstanding - basic and diluted (in shares)	9,130,057	5,183,492	8,283,302	3,645,682

The amount of deemed dividend on preferred stock.

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The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use.

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Average number of shares or units issued and outstanding that are used in calculating basic and diluted earnings per share (EPS).

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