Consolidated Statements of Operations - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Operating Expenses
Impairment of goodwill	$ 7,409	$ 10,390	$ 482
Impairment of other noncurrent assets	32,915	445	638
Other Income (Expense), Net
Other income, net	8,500
Equity in net income of affiliates	0	0	862
Loss from continuing operations before income taxes	(128,028)	(96,362)	(79,966)
Income tax benefit	1,793	458	189
Income from discontinued operations, net of income tax benefit	0	0	108,094
Net (loss) income	$ (126,235)	$ (95,904)	$ 28,317
Net (Loss) Income per Share
Net loss from continuing operations per share, basic (in usd per share)	$ (0.47)	$ (0.39)	$ (0.40)
Net loss from continuing operations per share, diluted (in usd per share)	(0.47)	(0.39)	(0.40)
Net income from discontinued operations per share, basic (in usd per share)	0	0	0.54
Net income from discontinued operations per share, diluted (in usd per share)	0	0	0.54
Net (loss) income per share, basic (in usd per share)	(0.47)	(0.39)	0.14
Net (loss) income per share, diluted (in usd per share)	$ (0.47)	$ (0.39)	$ 0.14
Weighted average shares outstanding, basic (in shares)	267,727,426	244,536,221	200,360,821
Weighted average shares outstanding, diluted (in shares)	267,727,426	244,536,221	200,360,821
Collaboration and licensing agreements
Revenues
Total revenues		$ 75	$ 14,661
Continuing Operations
Revenues
Total revenues	$ 3,925	6,225	26,909
Operating Expenses
Research and development	53,070	48,614	47,170
Selling, general and administrative	41,293	40,415	48,006
Impairment of goodwill	7,409		482
Impairment of other noncurrent assets	32,915	445	638
Total operating expenses	138,954	105,983	102,635
Operating loss	(135,029)	(99,758)	(75,726)
Other Income (Expense), Net
Interest expense	(6)	(468)	(6,774)
Interest income	1,418	3,237	133
Other income, net	5,589	627	1,539
Total other income (expense), net	7,001	3,396	(5,102)
Equity in net income of affiliates	0	0	862
Loss from continuing operations before income taxes	(128,028)	(96,362)	(79,966)
Income tax benefit	1,793	458	189
Loss from continuing operations	(126,235)	(95,904)	(79,777)
Continuing Operations | Collaboration and licensing agreements
Revenues
Total revenues	0	75	14,661
Continuing Operations | Collaboration and licensing agreements | Related Parties, Aggregated
Revenues
Total revenues			14,561
Continuing Operations | Product revenues
Revenues
Total revenues	422	840	1,903
Continuing Operations | Service revenues
Revenues
Total revenues	3,470	5,301	10,094
Operating Expenses
Cost of products and services	4,267	6,119	6,339
Continuing Operations | Other revenues
Revenues
Total revenues	$ 33	$ 9	$ 251