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	$ 17,554	$ 13,953
General and administrative	10,329	5,865
Total operating expenses	27,883	19,818
Loss from operations	(27,883)	(19,818)
Other expense, net	59	29
Loss before provision for (benefit from) income taxes, net	(27,942)	(19,847)
Provision for (benefit from) income taxes, net	(14)	68
Net loss and comprehensive loss	$ (27,928)	$ (19,915)
Net loss per common share, basic and diluted	$ (1.33)	$ (1.71)
Weighted-average shares used in computing net loss per common share, basic and diluted	20,965,811	11,667,967