Condensed Statements of Operations - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Income Statement [Abstract]
Revenue			$ 900,000
Operating expenses:
Research and development (in the three and nine months ended September 30, 2021, net of collaboration funding of $3,454,881 and $4,766,919, respectively)	$ 1,435,461	$ 3,227,048	4,802,653	$ 8,366,702
General and administrative (in the three and nine months ended September 30, 2021, net of collaboration funding of $958,590 and $1,561,124, respectively)	1,843,360	2,661,989	7,626,009	8,263,677
Total operating expenses	3,278,821	5,889,037	12,428,662	16,630,379
Loss from operations	(3,278,821)	(5,889,037)	(11,528,662)	(16,630,379)
Other income (expense), net:
Interest and other (expense) income, net	(2,471)	(4,129)	522,280	17,673
Foreign currency transaction gain (loss)	8,284	(35,092)	53,032	(35,059)
Total other income (expense), net	5,813	(39,221)	575,312	(17,386)
Net loss	$ (3,273,008)	$ (5,928,258)	$ (10,953,350)	$ (16,647,765)
Net loss per share - basic and diluted	$ (0.23)	$ (0.51)	$ (0.77)	$ (1.56)
Weighted average common shares outstanding - basic and diluted	14,310,244	11,514,254	14,254,092	10,662,164