Condensed Consolidated 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	$ 2,828,787	$ 2,377,916	$ 11,021,251	$ 7,140,046
General and administrative	2,533,678	1,729,446	13,683,852	5,874,423
Total operating expenses	5,362,465	4,107,362	24,705,103	13,014,469
Loss from operations	(5,362,465)	(4,107,362)	(24,705,103)	(13,014,469)
Other income, net:
Interest income	91,321	138,671	420,348	205,916
Foreign currency transaction gain	19,671	3,180	23,070	23,948
Total other income, net	110,992	141,851	443,418	229,864
Net loss	$ (5,251,473)	$ (3,965,511)	$ (24,261,685)	$ (12,784,605)
Net loss per share - basic and diluted	$ (0.52)	$ (0.43)	$ (2.40)	$ (1.59)
Weighted average common shares outstanding - basic and diluted	10,095,176	9,136,321	10,091,169	8,049,732