CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE (LOSS) INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Revenues:
Total revenues	$ 35,627	$ 34,212	$ 119,084	$ 105,884
Costs and expenses:
Cost of sales	7,060	4,009	17,299	12,734
Research and development expenses	1,316	0	1,819	0
Selling, general and administrative expenses	21,005	11,900	54,680	33,084
Change in fair value of contingent consideration	(17,532)	3,900	(8,124)	6,845
Amortization of intangible assets	10,184	7,969	22,752	24,438
Loss on impairment of intangible assets	238,831	0	238,831	0
Restructuring charges	3,034	0	3,034	0
Total costs and expenses	263,898	27,778	330,291	77,101
(Loss) income from operations	(228,271)	6,434	(211,207)	28,783
Other (expense) income:
Debt-related expenses	0	0	(9,918)	0
Interest expense	(752)	(2,052)	(2,625)	(6,648)
Other gain	138	2	1,601	453
Total other expense	(614)	(2,050)	(10,942)	(6,195)
Net (loss) income before income taxes	(228,885)	4,384	(222,149)	22,588
Income tax expense	(50,659)	(210)	(52,409)	(1,516)
Net (loss) income and comprehensive income	(279,544)	4,174	(274,558)	21,072
Net (loss) income and comprehensive income	$ (279,544)	$ 4,174	$ (274,558)	$ 21,072
Basic net (loss) income per share (in dollars per share)	$ (3.42)	$ 0.09	$ (4.35)	$ 0.45
Diluted net (loss) income per share (in dollars per share)	$ (3.42)	$ 0.08	$ (4.35)	$ 0.42
Shares used in computing diluted net (loss) income per share (in shares)	81,713	48,180	63,066	46,566
Shares used in computing diluted net (loss) income per share (in shares)	81,713	57,386	63,066	50,470
Product sales, net
Revenues:
Total revenues	$ 35,137	$ 34,279	$ 116,989	$ 105,258
Royalties and milestones
Revenues:
Total revenues	490	473	1,910	1,916
Other revenue
Revenues:
Total revenues	$ 0	$ (540)	$ 185	$ (1,290)