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	$ 483,021	$ 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	55,465	53,643	160,601	162,592
Contingent consideration	(34,292)	(2,309)	(31,266)	(11,604)
Total costs and operating expenses	136,384	148,076	427,558	438,941
Income from operations	4,808	52,665	55,463	175,833
Other income (expenses):
Investment income	6,662	2,177	18,112	2,962
Interest expense	(269)	(329)	(813)	(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	6,829	(5,198)	17,426	(9,679)
Income before income taxes	11,637	47,467	72,889	166,154
Income tax (benefit) provision	(6,535)	7,062	5,824	28,924
Net income	$ 18,172	$ 40,405	$ 67,065	$ 137,230
Earnings per share:
Basic	$ 0.33	$ 0.73	$ 1.2	$ 2.48
Diluted (Note 12)	$ 0.32	$ 0.71	$ 1.18	$ 2.39
Weighted average common shares outstanding:
Basic	55,766	55,498	55,688	55,432
Diluted (Note 12)	56,940	57,304	56,933	57,598
Net Income (Loss)	$ 18,172	$ 40,405	$ 67,065	$ 137,230
Other comprehensive income (loss):
Foreign currency translation adjustment	(6,382)	(18,170)	(9,177)	(38,375)
Comprehensive income	11,790	22,235	57,888	98,855
Products
Revenue:
Revenue	141,156	200,708	482,910	614,668
Royalty and other revenue
Revenue:
Revenue	$ 36	$ 33	$ 111	$ 106