Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Revenue	$ 77,588	$ 66,640	$ 208,491	$ 192,117
Operating expenses:
Cost of sales	424	224	956	771
Selling, general and administrative	43,274	41,271	121,013	130,255
Research and development	44,034	44,712	136,753	132,991
Restructuring	0	0	0	(284)
Total operating expenses	87,732	86,207	258,722	263,733
Operating loss	(10,144)	(19,567)	(50,231)	(71,616)
Other (expense) income:
Interest expense	(5,237)	(14,095)	(18,579)	(39,103)
(Loss) gain on extinguishment of debt	(91,759)	16,511	(91,739)	16,511
Other income, net	3,053	210	2,691	2,389
Total other (expense) income, net	(93,943)	2,626	(107,627)	(20,203)
Loss from continuing operations	(104,087)	(16,941)	(157,858)	(91,819)
Income from discontinued operations, net of income taxes	371,540	13,309	400,499	36,673
Net income (loss)	$ 267,453	$ (3,632)	$ 242,641	$ (55,146)
Net income (loss) per common and potential common share (basic and diluted):
Net loss from continuing operations, Basic (in dollars per share)	$ (3.04)	$ (0.53)	$ (5.05)	$ (2.81)
Net loss from continuing operations, Diluted (in dollars per share)	(3.04)	(0.53)	(5.05)	(2.81)
Net income from discontinued operations, Basic (in dollars per share)	10.83	0.42	12.81	1.12
Net income from discontinued operations, Diluted (in dollars per share)	10.83	0.42	12.81	1.12
Net Income (loss), Basic (in dollars per share)	7.80	(0.11)	7.76	(1.69)
Net Income (loss), Diluted (in dollars per share)	$ 7.80	$ (0.11)	$ 7.76	$ (1.69)
Weighted average common and potential common shares outstanding:
Basic (in shares)	34,293	31,736	31,262	32,679
Diluted (in shares)	34,293	31,736	31,262	32,679
Product
Revenue	$ 77,588	$ 66,640	$ 208,491	$ 192,117