Acquisition of Apexigen - Summary of Preliminary Acquisition Date Fair Value of Assets Acquired and Liabilities Assumed (Details) $ in Thousands	Aug. 23, 2023 USD ($)
Assets acquired:
Cash and cash equivalents	$ 6,660
Prepaid expenses and other current assets	519
Intangible assets, net	24,458
Total identifiable assets	31,637
Liabilities assumed:
Accounts payable	(4,548)
Accrued liabilities	(7,531)
Deferred tax liability, net	(2,164)
Deferred revenue	(6,662)
Total identifiable liabilities	(20,905)
Net assets acquired	10,732
Apexigen, Inc.
Liabilities assumed:
Deferred tax liability, net	$ (2,200)