Statements of Operations - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Operating expenses:
Research and development	$ 3,416,466	$ 4,095,014
General and administrative	3,737,987	3,919,671
Total operating expenses	7,154,453	8,014,685
Loss from operations	(7,154,453)	(8,014,685)
Other income:
Interest income	28,798	15,213
Gain from change in fair value of warrant liability		433,392
Total other income	28,798	448,605
Net loss	$ (7,125,655)	$ (7,566,080)
Net loss per share of common stock, basic and diluted	$ (0.32)	$ (0.46)
Weighted-average shares used to compute basic and diluted net loss per share	22,296,089	16,602,422