Revenue

3 Months Ended

Mar. 31, 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 March 31,
	2023	2022
Product revenue - gross	71,212	53,310
Less: Rebates and sales returns	(8,415)	(7,215)
Product revenue - net	62,797	46,095

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 March 31,
	2023	2022
ZEJULA	42,680	29,597
Optune	13,342	12,797
QINLOCK	1,306	2,959
NUZYRA	5,469	742
Product revenue - net	62,797	46,095