v3.25.2
Subsequent Events - Additional Information (Details) - Subsequent Event - USD ($)
$ / shares in Units, $ in Millions
Jul. 31, 2025
Aug. 04, 2025
Subsequent Event [Line Items]    
Sublease term commence on the later to occur of (i) the date consent from landlord is obtained and delivered to Subtenant, (ii) November 1, 2025 and (iii) two weeks after the date the Company, as sublandlord, delivers possession of the subleased premises to Subtenant in the requisite condition.  
Sublease, Existence of Option to Extend [true false] true  
Sublease option to extend The term of the Sublease is expected to extend for three years and two months following commencement, subject to any earlier termination of the Boston Lease or the Sublease or exercise of a 24-month extension option by Subtenant.  
XOMA Royalty Corporation    
Subsequent Event [Line Items]    
Business acquisition, price per share of the common stock   $ 1.95
Merger agreement, termination fees payable under specified circumstances   $ 2.5
Merger agreement, reimbursement fees payable   $ 1.0