Unaudited Statements of Operations and Comprehensive Loss - USD ($)	3 Months Ended	9 Months Ended
Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Statements of Operations and Comprehensive Loss
Revenue
Costs and expenses:
Research and development expense	9,729,089	5,779,759	28,052,777	17,380,337
General and administrative expense	2,790,431	2,401,976	8,492,194	7,016,081
Total costs and expenses	12,519,520	8,181,735	36,544,971	24,396,418
Loss from operations	(12,519,520)	(8,181,735)	(36,544,971)	(24,396,418)
Other income	944,409	231,634	2,178,253	373,208
Net loss and comprehensive loss	$ (11,575,111)	$ (7,950,101)	$ (34,366,718)	$ (24,023,210)
Basic and diluted net loss per common share (in dollars per share)	$ (0.27)	$ (0.24)	$ (0.85)	$ (0.86)
Basic and diluted weighted average number of common shares (in shares)	43,069,282	32,724,010	40,345,071	27,814,781

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.

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