Revenue Recognition (Tables)

12 Months Ended

Dec. 31, 2023

Revenue Recognition

Schedule of disaggregation of revenue

	Year Ended December 31,
	2023		2022		2021
Collaborative revenue
CSL Vifor (KORSUVA injection profit sharing)	$	12,397	$	16,572	$	—
Maruishi		539		—		706
Total collaborative revenue	$	12,936	$	16,572	$	706
Commercial supply revenue
CSL Vifor* (KORSUVA injection)	$	5,843	$	10,223	$	701
Total commercial supply revenue	$	5,843	$	10,223	$	701
License and milestone fees
CSL Vifor*	$	—	$	15,000	$	20,031
Maruishi		910		—		1,192
Total license and milestone fees	$	910	$	15,000	$	21,223
Royalty revenue
CSL Vifor (Kapruvia ex U.S.)	$	415	$	72	$	—
Total royalty revenue	$	415	$	72	$	—
Clinical compound revenue
CSL Vifor* (difelikefalin injection)	$	—	$	—	$	361
Maruishi		165		—		37
Total clinical compound revenue	$	165	$	—	$	398
Other revenue (non-cash)
CSL Vifor (Kapruvia ex U.S.)	$	284	$	—	$	—
Maruishi		415		—		—
Total other revenue	$	699	$	—	$	—

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* Includes amounts earned from Vifor Fresenius Medical Care Renal Pharma Ltd. and Vifor International prior to Vifor International’s assignment of its rights and obligations to Vifor Fresenius Medical Care Renal Pharma Ltd. in May 2022.