CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Revenue:
Revenue	$ 159,169	$ 207,633	$ 341,829	$ 414,033
Costs and operating expenses:
Cost of product revenue	79,307	86,260	161,152	168,616
Research and development	9,706	10,440	21,860	22,595
Selling, general and administrative	48,966	54,649	105,136	108,949
Contingent consideration	1,791	(6,884)	3,026	(9,295)
Total costs and operating expenses	139,770	144,465	291,174	290,865
Income from operations	19,399	63,168	50,655	123,168
Other income (expenses):
Investment income	5,964	708	11,450	785
Interest expense	(274)	(271)	(544)	(563)
Amortization of debt issuance costs	(457)	(453)	(914)	(905)
Other expenses	528	(3,396)	605	(3,798)
Other income (expenses), net	5,761	(3,412)	10,597	(4,481)
Income before income taxes	25,160	59,756	61,252	118,687
Income tax provision	5,096	9,895	12,359	21,862
Net income	$ 20,064	$ 49,861	$ 48,893	$ 96,825
Earnings per share:
Basic	$ 0.36	$ 0.9	$ 0.88	$ 1.75
Diluted (Note 11)	$ 0.35	$ 0.88	$ 0.86	$ 1.68
Weighted average common shares outstanding:
Basic	55,705	55,444	55,648	55,399
Diluted (Note 11)	56,858	56,721	56,932	57,842
Net Income (Loss)	$ 20,064	$ 49,861	$ 48,893	$ 96,825
Other comprehensive income (loss):
Foreign currency translation adjustment	(6,068)	(15,517)	(2,795)	(20,205)
Comprehensive income	13,996	34,344	46,098	76,620
Products
Revenue:
Revenue	159,133	207,597	341,754	413,960
Royalty and other revenue
Revenue:
Revenue	$ 36	$ 36	$ 75	$ 73