Revenue

6 Months Ended

Jun. 30, 2023

Revenue from Contract with Customer [Abstract]

Revenue

Revenue

Product Revenue

The Company’s product revenue is primarily derived from the sales of ZEJULA, Optune, QINLOCK, and NUZYRA in mainland China and Hong Kong. The table below presents the Company’s product revenue ($ in thousands):

	Three Months Ended June 30,		Six Months Ended June 30,
	2023	2022	2023	2022
Product revenue - gross	75,010	54,339	146,222	107,649
Less: Rebates and sales returns	(6,146)	(6,764)	(14,561)	(13,979)
Product revenue - net	68,864	47,575	131,661	93,670

Sales rebates are offered to distributors in mainland China, and the amounts are recorded as a reduction of revenue. Estimated rebates are determined based on contracted rates, sales volumes, and level of distributor inventories.

The following table presents the Company’s net revenue by product ($ in thousands):

	Three Months Ended June 30,		Six Months Ended June 30,
	2023	2022	2023	2022
ZEJULA	42,957	34,052	85,637	63,649
Optune	13,692	11,592	27,034	24,389
QINLOCK	7,527	623	8,833	3,582
NUZYRA	4,636	1,308	10,105	2,050
VYVGART	52	—	52	—
Product revenue - net	68,864	47,575	131,661	93,670