Millendo Merger - Narrative (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021	Jun. 25, 2021
Business Acquisition [Line Items]
Cash and cash equivalents	$ 31,230	$ 51,829
Operating lease right-of-use assets	11,650	$ 3,051
Present value of operating lease obligations	$ 11,743
Private Tempest
Business Acquisition [Line Items]
Cash and cash equivalents			$ 17,000
Prepaids and other assets			1,400
Assumed payables and accruals			500
Operating lease right-of-use assets			2,100
Present value of operating lease obligations			$ 2,100