Statements of Operations and Comprehensive Loss - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Operating expenses:
Research and development	$ 61,501	$ 24,577
General and administrative	28,083	8,341
Total operating expenses	89,584	32,918
Loss from operations	(89,584)	(32,918)
Interest income (expense), net	106	(29)
Net loss	(89,478)	(32,947)
Unrealized loss on available-for-sale securities	(326)	0
Comprehensive loss attributable to common stockholders	$ (89,804)	$ (32,947)
Net loss per share attributable to common stockholders, basic and diluted	$ (2.56)	$ (11.33)
Weighted-average shares used in computing net loss per share attributable to common stockholders, basic and diluted	34,926,403	2,907,542