Statements of Operations and Comprehensive Loss - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Income Statement [Abstract]
Grant and other revenue		$ 1,436
Operating expenses
Research and development	$ 12,305	7,997
General and administrative	7,279	1,351
Total operating expenses	19,584	9,348
Loss from operations	(19,584)	(7,912)
Other income (expense)
Change in fair value of preferred stock tranche rights liability and preferred stock warrant liability	(81,157)	586
Interest income, net	84	1
Other income, net	51
Total other income (expense)	(81,022)	587
Net loss	(100,606)	(7,325)
Other comprehensive loss
Unrealized loss on marketable securities	(231)
Comprehensive loss	$ (100,837)	$ (7,325)
Net loss per common share, basic and diluted	$ (5.02)	$ (17.48)
Weighted-average shares outstanding, basic and diluted	20,057,534	419,124