Consolidated Statements of Operations (Unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Operating expenses:
Research and development	$ 3,260,904	$ 3,712,679
General and administrative	1,976,576	1,519,083
Total operating expenses	5,237,480	5,231,762
Loss from operations	(5,237,480)	(5,231,762)
Other income (expense):
Interest income	20,033	44,515
Interest expense	(2,568)	(1,708)
Local business tax	(600)	(600)
Miscellaneous income	670	1,795
Total other income, net	17,535	44,002
Loss before income taxes	(5,219,945)	(5,187,760)
Income tax benefit
Net loss	$ (5,219,945)	$ (5,187,760)
Basic and diluted net loss per share	$ (0.05)	$ (0.11)
Shares used to compute basic and diluted net loss per share	102,973,369	46,124,803