XOMA Corporation Quarterly report pursuant to Section 13 or 15(d)

Royalty and Commercial Payment Purchase Agreements - Dare (Details)

v3.24.3

Royalty and Commercial Payment Purchase Agreements - Dare (Details) - USD ($) $ in Thousands		9 Months Ended
	Apr. 29, 2024	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Agreements
Payments of consideration under RPAs, AAAs and CPPAs		$ 37,000	$ 14,650
Receipts under RPAs, AAAs and CPPAs		26,263	$ 8,428
Long-term royalty and commercial payment receivables		54,207		$ 57,952
Short-term royalty and commercial payment receivables		12,682		$ 14,215
Royalty Purchase Agreement \| Dare
Agreements
Payments of consideration under RPAs, AAAs and CPPAs	$ 22,000
Percentage of remaining royalties	100.00%
Payable on milestone	$ 11,000
Specified amount of each successive receipt that requires milestone payment	22,000
Return threshold	$ 88,000
Short-term royalty and commercial payment receivables		0
Allowance for credit losses		$ 0
Royalty Purchase Agreement \| Dare \| OVAPRENE
Agreements
Royalties entity has right to receive (as a percent)	4.00%
Royalty Purchase Agreement \| Dare \| OVAPRENE \| Upon achievement of a pre-specified return threshold
Agreements
Royalties entity has right to receive (as a percent)	2.50%
Royalty Purchase Agreement \| Dare \| Sildenafil Cream
Agreements
Royalties entity has right to receive (as a percent)	2.00%
Royalty Purchase Agreement \| Dare \| Sildenafil Cream \| Upon achievement of a pre-specified return threshold
Agreements
Royalties entity has right to receive (as a percent)	1.25%

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 808
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479402/808-10-50-1

+ Details

Name:	us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of allowance for credit loss for right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479344/326-20-45-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479837/606-10-45-3

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (f)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

+ Details

Name:	us-gaap_ContractWithCustomerAssetAccumulatedAllowanceForCreditLoss
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Royalty and commercial payment receivables probable and reasonably estimable to be received after one year or beyond the normal operating cycle, if longer.

+ References

No definition available.

+ Details

Name:	xoma_LongTermRightsReceivableNonCurrent
Namespace Prefix:	xoma_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of milestone payment for each successive specified amount received. Contingent consideration is recognized under ASC 450 if it is probable that a liability has been incurred and the amount of the liability can be reasonably estimated.

+ References

No definition available.

+ Details

Name:	xoma_PayableOnMilestone
Namespace Prefix:	xoma_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Return threshold for determining milestone payments under the agreement.

+ References

No definition available.

+ Details

Name:	xoma_PayableOnMilestoneReturnThreshold
Namespace Prefix:	xoma_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Specified amount of each successive receipt that requires milestone payment to counterparty under agreement.

+ References

No definition available.

+ Details

Name:	xoma_PayableOnMilestoneSpecifiedAmountOfEachSuccessiveReceipt
Namespace Prefix:	xoma_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of cash outflow for consideration under agreements, including Royalty Purchase Agreements (RPAs), Assignment and Assumption Agreements (AAAs), Commercial payment purchase agreement (CPPAs) and other agreements classified as investing activities. Payments may include upfront payments, one-time payments, milestone payments and contingent consideration payments.

+ References

No definition available.

+ Details

Name:	xoma_PaymentOfConsiderationUnderAgreementsInvestingActivities
Namespace Prefix:	xoma_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of cash inflow under agreements, including Royalty Purchase Agreements (RPAs), Assignment and Assumption Agreements (AAAs), and Commercial Payment Purchase Agreements (CPPAs), classified as investing activities. Receipts may represent commercial payments attributable to net sales.

+ References

No definition available.

+ Details

Name:	xoma_ReceiptsUnderAgreementsInvestingActivities
Namespace Prefix:	xoma_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Royalty and commercial payment receivables probable and reasonably estimable to be received within one year or the normal operating cycle, if longer.

+ References

No definition available.

+ Details

Name:	xoma_RightsReceivableCurrent
Namespace Prefix:	xoma_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Percentage of royalties applicable under terms of agreement.

+ References

No definition available.

+ Details

Name:	xoma_RoyaltyPercentageApplicableUnderAgreement
Namespace Prefix:	xoma_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Royalties entity has the right to receive as a percentage of net sales.

+ References

No definition available.

+ Details

Name:	xoma_RoyaltyReceivablePercentageOnNetSales
Namespace Prefix:	xoma_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Details

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

- Details

Name:	srt_CounterpartyNameAxis=xoma_DareMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ProductOrServiceAxis=xoma_OvapreneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_StatementScenarioAxis=xoma_ScenarioOneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ProductOrServiceAxis=xoma_SildenafilCreamMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: