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Commitments and Contingencies - Collaborative Agreements, Royalties and Milestone Payments (Details) $ in Millions | Jun. 30, 2022 USD ($) product
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Commitments and Contingencies |
Estimate of milestone payments | $ | $ 6.3
Assumed number of products per contract | product | 1

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- References No definition available. + Details
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Balance Type: | na
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- Definition Estimated potential obligations that come due and payable upon achievement of developmental, regulatory, or commercial milestones by company's licensees. Represent contingent payments not recorded on balance sheet. + References No definition available. + Details
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Namespace Prefix: | xoma_
Data Type: | xbrli:monetaryItemType
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- Definition Assumed number of products per contract meeting milestone events used to calculate potential milestone obligations. + References No definition available. + Details
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Namespace Prefix: | xoma_
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