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	$ 324,549	$ 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	49,084	54,649	105,372	108,949
Contingent consideration	1,791	(6,884)	3,026	(9,295)
Total costs and operating expenses	139,888	144,465	291,410	290,865
Income from operations	19,281	63,168	33,139	123,168
Other income (expenses):
Investment income	5,964	708	11,450	785
Interest expense	(411)	(271)	(819)	(563)
Amortization of debt issuance costs	(457)	(453)	(914)	(905)
Other expenses	528	(3,396)	605	(3,798)
Other income (expenses), net	5,624	(3,412)	10,322	(4,481)
Income before income taxes	24,905	59,756	43,461	118,687
Income tax provision	5,119	9,895	8,338	21,862
Net income	$ 19,786	$ 49,861	$ 35,123	$ 96,825
Earnings per share:
Basic	$ 0.36	$ 0.9	$ 0.63	$ 1.75
Diluted (Note 12)	$ 0.35	$ 0.88	$ 0.62	$ 1.68
Weighted average common shares outstanding:
Basic	55,705	55,444	55,648	55,399
Diluted (Note 12)	56,858	56,721	56,932	57,842
Net Income (Loss)	$ 19,786	$ 49,861	$ 35,123	$ 96,825
Other comprehensive income (loss):
Foreign currency translation adjustment	(6,079)	(15,517)	(3,092)	(20,205)
Comprehensive income	13,707	34,344	32,031	76,620
Products
Revenue:
Revenue	159,133	207,597	324,474	413,960
Royalty and other revenue
Revenue:
Revenue	$ 36	$ 36	$ 75	$ 73