Consolidated Statements of Stockholders' Equity (Deficit) - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-In Capital [Member]	Accumulated Deficit [Member]	Preferred Stock [Member]	Preferred Stock [Member] Series A-1 Convertible Preferred Stock [Member]	Preferred Stock [Member] Series B Convertible Preferred Stock [Member]	Preferred Stock [Member] Series C Convertible Preferred Stock [Member]	Preferred Stock [Member] Series D Convertible Preferred Stock [Member]	Preferred Stock [Member] Series E Convertible Preferred Stock [Member]	Preferred Stock [Member] Shares issuable upon conversion of preferred stock [Member]	AOCI Attributable to Parent [Member]
Beginning Balance at Dec. 31, 2020	$ (46,200)	$ 1	$ 4,714	$ (50,915)		$ 2,968	$ 15,484	$ 9,392	$ 16,589	$ 38,869
Beginning Balance, shares at Dec. 31, 2020		906				4,819	2,788	1,588	2,224	7,392
Exercise of warrants and stock options to purchase common stock	339		339
Issuance of common stock upon exercise of stock options and from employee stock plan		411
Vesting of restricted stock units, shares		107
Vesting of early exercise of stock options, shares		4
Vesting of early exercise of stock options,Value	3		3
Issuance of common stock net of issuance costs	62,317	$ 1	62,316
Issuance of common stock net of issuance costs, shares		12,012
Issuance of common stock to fomer stockholders of Sunesis upon Merger	97,982		97,982
Issuance of common stock to fomer stockholders of Sunesis upon Merger, shares		5,173
Conversion of convertible preferred stock into common stock upon Merger	83,302	$ 2	83,300		$ (15,484)	$ (2,968)		$ (9,392)	$ (16,589)	$ (38,869)
Conversion of convertible preferred stock into common stock upon Merger, shares		18,812			(2,788)	(4,819)		(1,588)	(2,224)	(7,392)
Reclassification of preferred stock warrant liability to equity	396		396
Issuance of convertible preferred stock to former stockholders of Sunesis upon Merger	5,452				$ 5,452
Issuance of convertible preferred stock to former stockholders of Sunesis upon Merger, shares											10
Share-based compensation	5,542		5,542
Unrealized loss on short-term investments	0
Net loss	(114,762)			(114,762)
Ending Balance at Dec. 31, 2021	94,371	$ 4	254,592	(165,677)							$ 5,452
Ending Balance, shares at Dec. 31, 2021		37,425									10
Exercise of warrants and stock options to purchase common stock	$ 225		225
Issuance of common stock upon exercise of stock options and from employee stock plan	105,000	155
Issuance of common stock through "at the market" offering net shares	564
Issuance of common stock through "at the market" offering, net, Value	$ 2,331		2,331
Issuance of common stock upon vesting of restricted stock units		197
Vesting of early exercise of stock options, shares		4
Vesting of early exercise of stock options,Value	3		3
Share-based compensation	13,548		13,548
Unrealized loss on short-term investments	(178)											$ (178)
Net loss	(49,197)			(49,197)
Ending Balance at Dec. 31, 2022	$ 61,103	$ 4	$ 270,699	$ (214,874)							$ 5,452	$ (178)
Ending Balance, shares at Dec. 31, 2022		38,345									10