CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Revenues:
Total revenues	$ 156,234	$ 111,014
Costs and expenses:
Cost of sales	18,748	15,832
Selling, general and administrative expenses	46,786	52,641
Fair value of contingent consideration	18,687	3,914
Amortization of intangible assets	32,608	28,114
Restructuring charges	0	1,089
Total costs and expenses	116,829	101,590
Income from operations	39,405	9,424
Other (expense) income:
Interest expense	(7,961)	(10,220)
Other (loss) gain	(278)	243
Total other (expense) income	(8,239)	(9,977)
Net income (loss) before income taxes	31,166	(553)
Income tax benefit (expense)	78,459	(728)
Net income (loss)	109,625	(1,281)
Comprehensive income (loss)	$ 109,625	$ (1,281)
Basic net income (loss) per share (in dollars per share)	$ 2.33	$ (0.03)
Diluted net income (loss) per share (in dollars per share)	$ 2.03	$ (0.03)
Shares used in computing basic net income (loss) per share (in shares)	47,004	43,169
Shares used in computing diluted net income (loss) per share (in shares)	54,669	43,169
Product sales, net
Revenues:
Total revenues	$ 155,121	$ 109,420
Royalties and milestones
Revenues:
Total revenues	2,403	2,579
Other revenue
Revenues:
Total revenues	$ (1,290)	$ (985)