Condensed Consolidated Statements of Operations and Comprehensive Loss (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Operating expenses:
Research and development	$ 13,410	$ 6,621
General and administrative	5,448	1,465
Total operating expenses	18,858	8,086
Loss from operations	(18,858)	(8,086)
Other income (expense):
Interest and other income, net	327	14
Interest expense	(60)	(2)
Change in fair value of warrant liability		8
Net loss	(18,591)	(8,066)
Other comprehensive loss:
Unrealized loss on marketable securities	(1,082)	(7)
Comprehensive loss	$ (19,673)	$ (8,073)
Net loss per share, basic and diluted	$ (0.50)	$ (3.59)
Weighted-average shares used in computing net loss per share, basic and diluted	37,261,685	2,248,687