CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Revenue:
Revenue	$ 165,380	$ 206,400	$ 206,400
Costs and operating expenses:
Cost of product revenue	81,845	82,356
Research and development	12,154	12,155
Selling, general and administrative	56,288	54,300
Contingent consideration	1,235	(2,411)
Total costs and operating expenses	151,522	146,400
Income from operations	13,858	60,000
Other income (expenses):
Investment income	5,486	77
Interest expense	(408)	(292)
Amortization of debt issuance costs	(457)	(452)
Other income (expenses)	77	(402)
Other income (expenses), net	4,698	(1,069)
Income before income taxes	18,556	58,931
Income tax provision	3,219	11,967
Net income	$ 15,337	$ 46,964
Earnings per share:
Basic	$ 0.28	$ 0.85
Diluted (Note 11)	$ 0.27	$ 0.81
Weighted average common shares outstanding:
Basic	55,590	55,353
Diluted (Note 11)	57,049	58,816
Net Income (Loss)	$ 15,337	$ 46,964
Other comprehensive income (loss):
Foreign currency translation adjustment	2,987	(4,688)
Comprehensive income	18,324	42,276
Products
Revenue:
Revenue	165,341	206,363	206,363
Royalty and other revenue
Revenue:
Revenue	$ 39	$ 37	$ 37