CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Revenue:
Revenue	$ 207,633	$ 162,960	$ 414,033	$ 305,797
Costs and operating expenses:
Cost of product revenue	86,260	61,990	168,616	121,737
Research and development	10,440	8,389	22,595	16,001
Selling, general and administrative	54,649	44,341	108,949	83,436
Contingent consideration	(6,884)	0	(9,295)	0
Total costs and operating expenses	144,465	114,720	290,865	221,174
Income from operations	63,168	48,240	123,168	84,623
Other income (expenses):
Investment income	708	41	785	93
Interest expense	(271)	(2,787)	(563)	(5,541)
Amortization of debt issuance costs	(453)	(357)	(905)	(709)
Other expenses	(3,396)	(779)	(3,798)	(1,003)
Other expenses, net	(3,412)	(3,882)	(4,481)	(7,160)
Income before income taxes	59,756	44,358	118,687	77,463
Income tax provision	9,895	8,125	21,862	11,780
Net income	$ 49,861	$ 36,233	$ 96,825	$ 65,683
Earnings per share:
Basic	$ 0.90	$ 0.66	$ 1.75	$ 1.20
Diluted (Note 12)	$ 0.88	$ 0.64	$ 1.68	$ 1.16
Weighted average common shares outstanding:
Basic	55,444	54,931	55,399	54,868
Diluted (Note 12)	56,721	56,786	57,842	56,824
Net income	$ 49,861	$ 36,233	$ 96,825	$ 65,683
Other comprehensive income (loss):
Foreign currency translation adjustment	(15,517)	3,125	(20,205)	(6,454)
Comprehensive income	34,344	39,358	76,620	59,229
Products
Revenue:
Revenue	207,597	162,920	413,960	305,657
Royalty and other revenue
Revenue:
Revenue	$ 36	$ 40	$ 73	$ 140