Consolidated Statements of Operations - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Operating expenses:
Research and development	$ 10,542,957	$ 11,003,142	$ 38,064,357	$ 18,606,223
General and administrative	7,235,877	2,445,077	12,205,934	5,263,469
Total operating expenses	17,778,834	13,448,219	50,270,291	23,869,692
Loss from operations	(17,778,834)	(13,448,219)	(50,270,291)	(23,869,692)
Interest and amortization of debt discount (expense)	(548,158)	(313,995)	(540,847)	(532,898)
Net loss	$ (18,326,992)	$ (13,762,214)	$ (50,811,138)	$ (24,402,590)
Net loss per common share, basic and diluted	$ (0.49)	$ (0.41)	$ (1.37)	$ (0.73)
Weighted average common shares outstanding, basic and diluted	37,100,770	33,801,749	37,081,064	33,429,178