Statements of Operations - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Operating expenses
Research and development	$ 3,427,985	$ 1,184,194	$ 7,128,996	$ 5,343,452
General and administrative	1,744,694	756,104	4,301,037	3,303,315
Total operating expenses	5,172,679	1,940,298	11,430,033	8,646,767
Other income
Interest income (expense)	8,025	(3,190)	52,875	(3,190)
Derivative (loss) gain	(2,054,561)	7,744,708	(1,232,925)	41,110,851
Total other income	(2,046,536)	7,741,518	(1,180,050)	41,107,661
Net (loss) income	$ (7,219,215)	$ 5,801,220	$ (12,610,083)	$ 32,460,894
Net (loss) income per common share: Basic	$ (0.05)	$ 0.06	$ (0.10)	$ 0.37
Net (loss) income per common share: Diluted	$ (0.05)	$ (0.02)	$ (0.10)	$ (0.08)
Weighted average number of common shares outstanding: Basic	142,207,862	96,930,270	122,895,080	88,782,837
Weighted average number of common shares outstanding: Diluted	142,207,862	115,346,118	122,895,080	111,370,739