STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Operating expenses:
Research and development	$ 16,828	$ 11,697
General and administrative	6,430	4,856
Total operating expenses	23,258	16,553
Loss from operations	(23,258)	(16,553)
Other income:
Interest income, net	99	44
Total other income	99	44
Net loss	(23,159)	(16,509)
Other comprehensive gain (loss):
Unrealized (loss) gain on investments	(699)	48
Comprehensive loss	$ (23,858)	$ (16,461)
Net loss per share, basic and diluted	$ (0.59)	$ (0.45)
Weighted-average shares outstanding, basic and diluted	39,431,722	36,679,684