XML 74 R65.htm IDEA: XBRL DOCUMENT
v3.23.3

Commitments and Contingencies - Contingent Consideration (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Sep. 30, 2023 | Sep. 30, 2023 | Jun. 21, 2023 | Mar. 31, 2023 | Mar. 29, 2023 | Dec. 31, 2022 | Oct. 06, 2021 | Feb. 25, 2019
Commitments And Contingencies |  |  |  |  |  |  |  |
Contingent consideration under RPAs, AAAs and CPPAs | $ 4,000 | $ 4,000 |  |  |  | $ 75 |  |
Changes in estimated fair value of contingent consideration |  | 75 |  |  |  |  |  |
Long-term royalty and commercial payment receivables | 74,696 | 74,696 |  |  |  | 63,683 |  |
Royalty Purchase Agreement | LadRx |  |  |  |  |  |  |  |
Commitments And Contingencies |  |  |  |  |  |  |  |
Contingent consideration under RPAs, AAAs and CPPAs |  |  | $ 1,000 |  |  |  |  |
Changes in estimated fair value of contingent consideration | 0 |  |  |  |  |  |  |
Royalty Purchase Agreement | LadRx | Regulatory milestones |  |  |  |  |  |  |  |
Commitments And Contingencies |  |  |  |  |  |  |  |
Contingent consideration under RPAs, AAAs and CPPAs |  |  | $ 1,000 |  |  |  |  |
Changes in estimated fair value of contingent consideration |  | 0 |  |  |  |  |  |
Royalty Purchase Agreement | Bioasis |  |  |  |  |  |  |  |
Commitments And Contingencies |  |  |  |  |  |  |  |
Contingent consideration under RPAs, AAAs and CPPAs | 0 | 0 |  |  |  | $ 75 |  | $ 75
Long-term royalty and commercial payment receivables |  |  |  |  |  |  |  | $ 400
Commercial Payment Purchase Agreement | Aptevo |  |  |  |  |  |  |  |
Commitments And Contingencies |  |  |  |  |  |  |  |
Contingent consideration under RPAs, AAAs and CPPAs | 0 | 0 |  | $ 50 | $ 50 |  |  |
Payment for contingent consideration under CPPA |  | 50 |  |  |  |  |  |
Long-term royalty and commercial payment receivables |  |  |  |  | $ 9,700 |  |  |
Commercial Payment Purchase Agreement | Affitech |  |  |  |  |  |  |  |
Commitments And Contingencies |  |  |  |  |  |  |  |
Contingent consideration under RPAs, AAAs and CPPAs | 3,000 | 3,000 |  |  |  |  |  |
Long-term royalty and commercial payment receivables | 3,000 | 3,000 |  |  |  |  | $ 14,000 |
Commercial Payment Purchase Agreement | Affitech | Regulatory milestones |  |  |  |  |  |  |  |
Commitments And Contingencies |  |  |  |  |  |  |  |
Contingent consideration under RPAs, AAAs and CPPAs |  |  |  |  |  |  | $ 8,000 |
Commercial Payment Purchase Agreement | Affitech | Sales-based milestones |  |  |  |  |  |  |  |
Commitments And Contingencies |  |  |  |  |  |  |  |
Contingent consideration under RPAs, AAAs and CPPAs | $ 3,000 | $ 3,000 |  |  |  |  |  |

X
- Definition Changes in estimated fair value of contingent consideration. + References No definition available. + Details
Name: | xoma_ChangesInEstimatedFairValueOfContingentConsideration
Namespace Prefix: | xoma_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Commitments and contingencies. + References No definition available. + Details
Name: | xoma_CommitmentsAndContingenciesLineItems
Namespace Prefix: | xoma_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Liability recorded for contingent consideration under purchase agreements. May include royalty purchase agreements, commercial payment purchase agreements, payment interest purchase agreements and assignment and assumption agreements + References No definition available. + Details
Name: | xoma_ContingentConsiderationUnderPurchaseAgreements
Namespace Prefix: | xoma_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Long-term royalty and commercial rights receivables, non current. + References No definition available. + Details
Name: | xoma_LongTermRightsReceivableNonCurrent
Namespace Prefix: | xoma_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount of cash outflow for contingent consideration liability recorded under the purchase agreements. + References No definition available. + Details
Name: | xoma_PaymentOfContingentConsiderationUnderPurchaseAgreements
Namespace Prefix: | xoma_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_TypeOfArrangementAxis=xoma_RoyaltyPurchaseAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CounterpartyNameAxis=xoma_LadrxMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ContingentConsiderationByTypeAxis=xoma_ContingentConsiderationRegulatoryMilestonesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CounterpartyNameAxis=xoma_BioasisTechnologiesIncMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TypeOfArrangementAxis=xoma_CommercialPaymentPurchaseAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CounterpartyNameAxis=xoma_AptevoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CounterpartyNameAxis=xoma_AffitechResearchAsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ContingentConsiderationByTypeAxis=xoma_ContingentConsiderationSalesMilestonesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |