CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Operating expenses:
Total operating expenses	$ 9,575	$ 2,671	$ 22,712	$ 11,914
Loss from operations	(9,575)	(2,671)	(22,712)	(11,914)
Other income (expense):
Other income (expense), net	377	(3)	474	38
Change in fair value of preferred stock tranche rights				(50)
Change in fair value of anti-dilution right		234		26
Total other income, net	377	231	474	14
Net loss	$ (9,198)	$ (2,440)	$ (22,238)	$ (11,900)
Net loss per share—basic	$ (5.17)	$ (1.38)	$ (12.55)	$ (6.86)
Net loss per share—diluted	$ (5.17)	$ (1.38)	$ (12.55)	$ (6.86)
Weighted-average common stock outstanding—basic	1,778,255	1,769,132	1,772,491	1,734,560
Weighted-average common stock outstanding—diluted	1,778,255	1,769,132	1,772,491	1,734,560
Comprehensive loss:
Net loss	$ (9,198)	$ (2,440)	$ (22,238)	$ (11,900)
Other comprehensive loss:
Unrealized loss on available-for-sale investments, net of tax	(133)		(133)
Comprehensive loss	(9,331)	(2,440)	(22,371)	(11,900)
Research and Development
Operating expenses:
Total operating expenses	7,942	2,216	18,087	10,665
General and Administrative
Operating expenses:
Total operating expenses	$ 1,633	$ 455	$ 4,625	$ 1,249