Consolidated Statements of Operations - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Operating expenses:
Research and development	$ 13,851,018	$ 12,452,424
General and administrative	16,046,423	9,261,570
Total operating expenses	29,897,441	21,713,994
Loss from operations	(29,897,441)	(21,713,994)
Other income, net:
Interest income	471,267	412,553
Foreign currency transaction gain	8,205	20,550
Total other income, net	479,472	433,103
Net loss	$ (29,417,969)	$ (21,280,891)
Net loss per share - basic and diluted	$ (2.91)	$ (2.49)
Weighted average common shares outstanding - basic and diluted	10,092,179	8,555,039