CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Revenue:
Revenue	$ 141,192	$ 200,741	$ 465,741	$ 614,774
Costs and operating expenses:
Cost of product revenue	104,634	86,514	265,786	255,130
Research and development	10,577	10,228	32,437	32,823
Selling, general and administrative	55,582	53,643	160,954	162,592
Contingent consideration	(34,292)	(2,309)	(31,266)	(11,604)
Total costs and operating expenses	136,501	148,076	427,911	438,941
Income from operations	4,691	52,665	37,830	175,833
Other income (expenses):
Investment income	6,662	2,177	18,112	2,962
Interest expense	(408)	(329)	(1,227)	(892)
Amortization of debt issuance costs	(459)	(455)	(1,373)	(1,360)
Other income (expenses)	895	(6,591)	1,500	(10,389)
Other income (expenses), net	6,690	(5,198)	17,012	(9,679)
Income before income taxes	11,381	47,467	54,842	166,154
Income tax (benefit) provision	(5,542)	7,062	2,796	28,924
Net income	$ 16,923	$ 40,405	$ 52,046	$ 137,230
Earnings per share:
Basic	$ 0.3	$ 0.73	$ 0.93	$ 2.48
Diluted (Note 13)	$ 0.3	$ 0.71	$ 0.91	$ 2.39
Weighted average common shares outstanding:
Basic	55,766	55,498	55,688	55,432
Diluted (Note 13)	56,940	57,304	56,933	57,598
Net Income (Loss)	$ 16,923	$ 40,405	$ 52,046	$ 137,230
Other comprehensive income (loss):
Foreign currency translation adjustment	(5,880)	(18,170)	(8,972)	(38,375)
Comprehensive income	11,043	22,235	43,074	98,855
Products
Revenue:
Revenue	141,156	200,708	465,630	614,668
Royalty and other revenue
Revenue:
Revenue	$ 36	$ 33	$ 111	$ 106