Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Consolidated Statements of Operations
Net sales	$ 2,340	$ 194
Cost of sales	91,550	30,023
Operating Expenses
Selling, general and administrative expenses	54,413	138,270
Research and development expenses	33,343	107,816
Reorganization items	31,206
Impairment of property plant & equipment and intangibles	140,726	111,389
Total operating expenses	259,688	357,475
Loss from operations	(348,898)	(387,304)
Other income (expense)
(Loss) gain on sale of assets	(916)	100,906
Other income	123	788
Investment and interest income	6,625	3,206
Loss before income taxes	(343,066)	(282,404)
Income tax expense	0	0
Net loss	(343,066)	(282,404)
Less preferred stock dividend	2,494	261
Net loss attributable to common shareholders	$ (345,560)	$ (282,665)
Net loss per share attributable to common shareholders
Basic (in dollars per share)	$ (21.67)	$ (20.32)
Diluted (in dollars per share)	$ (21.67)	$ (20.32)
Weighted-average number of common shares outstanding
Basic (in shares)	15,945	13,912
Diluted (in shares)	15,945	13,912