Condensed Consolidated Statements of Operations and Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Operating expenses:
Research and development	$ 20,514	$ 10,602
General and administrative	5,537	4,526
Total operating expenses	26,051	15,128
Loss from operations	(26,051)	(15,128)
Other income	22	38
Net loss	(26,029)	(15,090)
Net unrealized (loss) gain on short-term marketable securities	(3)	1
Comprehensive loss	$ (26,032)	$ (15,089)
Net loss per common share, basic and diluted	$ (0.74)	$ (0.43)
Weighted-average number of shares used in computing net loss per common share, basic and diluted	35,005,501	34,744,275