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Class of warrant or right redemption of warrants or rights threshold trading days

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Common Stock Warrants - Additional Information (Details) - USD ($) $ / shares in Units, $ in Thousands		12 Months Ended
	Aug. 23, 2023	Dec. 31, 2023	Jul. 29, 2022
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Replacement of warrants		1,003,191
Warrants redemption exercise price per share		$ 0.01
Sale price per share		$ 104.35
Consecutive trading days		20 days
Apexigen, Inc.
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Acquisition date fair value of replacement awards	$ 9,970
Replacement of warrants		5,815,613
Apexigen, Inc. \| Replacement Warrants
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Acquisition date fair value of replacement awards	$ 618	$ 600
Minimum [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Redemption notice period		30 days
Maximum [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Trading days		30 days
Warrant One
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Warrants outstanding		344,259
Warrants exercise price per share		$ 8.12
Warrant Two
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Warrants outstanding		17,212
Warrants exercise price per share		$ 10.14
Warrant Three
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Warrants outstanding		641,720
Warrants exercise price per share		$ 66.67	$ 66.67