XOMA Royalty Corporation Quarterly report [Sections 13 or 15(d)]

Quarterly report [Sections 13 or 15(d)]

Royalty and Commercial Payment Purchase Agreements - EIR Method - Affitech (Details)

Royalty and Commercial Payment Purchase Agreements - EIR Method - Affitech (Details) - USD ($) $ in Thousands		1 Months Ended		3 Months Ended			9 Months Ended		12 Months Ended
	Apr. 01, 2024	Mar. 31, 2025	Oct. 31, 2021	Sep. 30, 2025	Sep. 30, 2024	Mar. 31, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024
Agreements
Payments of consideration under RPAs, AAAs and CPPAs							$ 8,000	$ 37,000
Long-term royalty and commercial payment receivables under the cost recovery method				$ 57,864			57,864		$ 55,936
Contingent consideration under RPAs, AAAs, and CPPAs				0			0		3,000
Income from purchased receivables under the EIR method				6,962	$ 5,423		19,039	9,985
Receipts under RPAs, AAAs, and CPPAs							3,139	26,263
Short-term royalty and commercial payment receivables under the EIR method				13,269			13,269		$ 14,763
Sales-based milestones, fourth
Agreements
Payments of consideration under RPAs, AAAs and CPPAs						$ 3,000
Affitech \| Commercial Payment Purchase Agreement
Agreements
Payments of consideration under RPAs, AAAs and CPPAs		$ 6,000	$ 6,000
Payments eligible to receive (as a percent)			0.50%
Commercial payment receivable term			10 years
Long-term royalty and commercial payment receivables under the cost recovery method			$ 14,000
Maximum commercial sales milestone payments			12,000
Period from each royalty payment date payment is due									60 days
Reclassification of royalty and commercial payment receivables from the cost recovery to the EIR method, EIR method	$ 7,800
Income from purchased receivables under the EIR method				6,700	$ 5,400		18,300	$ 10,000
Receipts under RPAs, AAAs, and CPPAs							22,500
Allowance for credit losses				$ 0			$ 0		$ 0
Affitech \| Commercial Payment Purchase Agreement \| Regulatory milestones
Agreements
Contingent consideration under RPAs, AAAs, and CPPAs			$ 8,000
Affitech \| Commercial Payment Purchase Agreement \| Sales-based milestones, third
Agreements
Payments of consideration under RPAs, AAAs and CPPAs		3,000
Contingent consideration under RPAs, AAAs, and CPPAs						3,000
Short-term royalty and commercial payment receivables under the EIR method						$ 3,000
Affitech \| Commercial Payment Purchase Agreement \| Sales-based milestones, fourth
Agreements
Payments of consideration under RPAs, AAAs and CPPAs		$ 3,000