CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) (Unaudited) - USD ($) shares in Thousands, $ in Thousands		3 Months Ended			9 Months Ended
		Sep. 30, 2023	Sep. 30, 2022		Sep. 30, 2023		Sep. 30, 2022
Revenue:
Total revenue		$ 15,693	$ 12,451		$ 39,859		$ 36,697
Expenses:
Research and development (1)	[1]	8,311	9,867		32,308		48,044
Selling, general and administrative (1)	[1]	16,142	16,277		54,603		50,341
Restructuring and related expenses (1)		0	509	[1]	2,743	[1]	12,838	[1]
Total expenses		24,453	26,653		89,654		111,223
Loss from operations		(8,760)	(14,202)		(49,795)		(74,526)
Interest expense (2)		(609)	(1,545)		(1,727)		(5,819)
Loss on extinguishment of debt			(3,034)				(3,034)
Interest income and other income (expense), net		1,786	2,758		7,269		4,823
Loss from continuing operations before income taxes		(7,583)	(16,023)		(44,253)		(78,556)
Provision for income tax expense		(1,367)			(2,430)		(12)
Net loss from continuing operations		(8,950)	(16,023)		(46,683)		(78,568)
Income from discontinued operations before income taxes			1,115,016				1,143,930
Provision for income tax expense			(182,362)				(182,868)
Net income from discontinued operations			932,654				961,062
Net income (loss)		(8,950)	916,631		(46,683)		882,494
Net unrealized gain (loss) on available-for-sale investments		61	(76)		(210)		(121)
Total comprehensive income (loss)		$ (8,889)	$ 916,555		$ (46,893)		$ 882,373
Net income (loss) per share:
Continuing operations - basic		$ (0.17)	$ (0.21)		$ (0.81)		$ (1.04)
Continuing operations - diluted		(0.17)	(0.21)		(0.81)		(1.04)
Discontinued operations - basic			12.35				12.70
Discontinued operations - diluted			12.35				12.70
Net income (loss) - basic		(0.17)	12.14		(0.81)		11.66
Net income (loss) - diluted		$ (0.17)	$ 12.14		$ (0.81)		$ 11.66
Shares used to compute net income (loss) per share - basic		52,361	75,515		57,287		75,678
Shares used to compute net income (loss) per share - diluted		52,361	75,515		57,287		75,678
Viatris collaboration agreement
Revenue:
Total revenue		$ 15,687	$ 12,445		$ 39,841		$ 34,010
Collaboration revenue
Revenue:
Total revenue		$ 6	$ 6		$ 18		187
Licensing revenue
Revenue:
Total revenue							$ 2,500

[1] Amounts include share-based compensation expense as follows: