Condensed Consolidated Statements of Operations - USD ($)	3 Months Ended
Mar. 31, 2019	Mar. 31, 2018
Operating expenses:
Research and development	$ 3,946,220	$ 2,073,971
General and administrative	4,230,698	1,917,030
Total operating expenses	8,176,918	3,991,001
Loss from operations	(8,176,918)	(3,991,001)
Other income:
Interest income	185,143	30,690
Foreign currency transaction gain (loss)	23,070	(23,293)
Total other income, net	208,213	7,397
Net loss	$ (7,968,705)	$ (3,983,604)
Net loss per share - basic and diluted	$ (0.79)	$ (0.53)
Weighted average common shares outstanding - basic and diluted	10,087,363	7,497,433

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