Current report filing

Document and Entity Information

v3.20.4
Document and Entity Information
Jan. 05, 2021
Document And Entity Information [Line Items]  
Entity Registrant Name XOMA Corp
Amendment Flag false
Entity Central Index Key 0000791908
Document Type 8-K
Document Period End Date Jan. 05, 2021
Entity File Number 001-39801
Entity Incorporation State Country Code DE
Entity Tax Identification Number 52-2154066
Entity Address, Address Line One 2200 Powell Street
Entity Address, Address Line Two Suite 310
Entity Address, City or Town Emeryville
Entity Address, State or Province CA
Entity Address, Postal Zip Code 94608
City Area Code (510)
Local Phone Number 204-7200
Written Communications false
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Entity Emerging Growth Company false
Common Stock [Member]  
Document And Entity Information [Line Items]  
Security 12b Title Common Stock, par value $0.0075 per share
Trading Symbol XOMA
Security Exchange Name NASDAQ
Series A Preferred Stock [Member]  
Document And Entity Information [Line Items]  
Security 12b Title 8.625% Series A Cumulative Perpetual Preferred Stock, par value $0.05 per share
Trading Symbol XOMAP
Security Exchange Name NASDAQ