Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Deficit Accumulated
Beginning balance (in shares) at Dec. 31, 2020		498,269
Beginning balance at Dec. 31, 2020	$ (68,793)	$ 1	$ 2,967	$ (71,761)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercised of stock options (in shares)	33,127	33,127
Exercised of stock options	$ 139		139
Vesting of early exercised stock options (in shares)		28,196
Vesting of early exercised stock options	133		133
Conversion of preferred stock to common stock (in shares)		3,692,912
Conversion of preferred stock to common stock	86,707	$ 4	86,703
Issuance of common stock for cash, net of issuance cost (in shares)		1,388,374
Issuance of common stock for cash, net of issuance cost	33,474	$ 1	33,473
Share-based compensation	1,105		1,105
Reverse recapitalization transaction costs	(6,420)		(6,420)
Issuance of common stock to Millendo shareholders (in shares)		1,269,446
Issuance of common stock to Millendo shareholders	18,001	$ 1	18,000
Issuance of common stock warrants	73		73
Net loss	(28,302)			(28,302)
Ending balance (in shares) at Dec. 31, 2021		6,910,324
Ending balance at Dec. 31, 2021	$ 36,117	$ 7	136,173	(100,063)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercised of stock options (in shares)	0
Issuance of common stock for cash, net of issuance cost (in shares)		3,608,215
Issuance of common stock for cash, net of issuance cost	$ 8,861	$ 4	8,857
Share-based compensation	1,561		1,561
Issuance of common stock warrants	7,281		7,281
Net loss	(35,709)			(35,709)
Ending balance (in shares) at Dec. 31, 2022		10,518,539
Ending balance at Dec. 31, 2022	$ 18,111	$ 11	$ 153,872	$ (135,772)