Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Revenue
Total revenue, net	$ 41,557	$ 42,083
Operating expenses
Research and development	5,008	2,640
Selling, general and administrative	20,602	17,607
Total operating expenses	44,377	36,692
Operating income (loss)	(2,820)	5,391
Other income (expense)
Interest expense	(174)	(962)
Other income (expense), net	(144)	(46)
Total other expense, net	(318)	(1,008)
Income (loss) before income taxes	(3,138)	4,383
Income tax expense (benefit)	(817)	590
Net income (loss)	$ (2,321)	$ 3,793
Earnings (loss) per common share
Basic (in usd per share)	$ (0.01)	$ 0.02
Diluted (in usd per share)	$ (0.01)	$ 0.02
Weighted average common shares outstanding
Basic (in shares)	170,104	167,822
Diluted (in shares)	170,104	174,908
Product sales
Revenue
Total revenue, net	$ 32,103	$ 29,135
Operating expenses
Cost of revenue	15,648	12,498
Licensing and development revenue
Revenue
Total revenue, net	4,191	4,984
Royalties
Revenue
Total revenue, net	5,263	7,964
Cost of development revenue
Operating expenses
Cost of revenue	$ 3,119	$ 3,947