Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Consolidated Statements of Operations
Net sales		$ 189
Cost of sales		30,811
Operating Expenses
Selling, general and administrative expenses	$ 5,243	14,687
Research and development expenses		14,425
Reorganization items	4,241
Impairment of property plant & equipment and intangibles		114,440
Total operating expenses	9,484	143,552
Loss from operations	(9,484)	(174,174)
Other income (expense)
Other income (expense)	(98)	64
Investment and interest income	1,109	2,391
Loss before income taxes	(8,473)	(171,719)
Net loss	(8,473)	(171,719)
Less accrued preferred stock dividend	655	(605)
Net loss attributable to common shareholders	$ (9,128)	$ (171,114)
Net loss per share attributable to common shareholders
Basic (in dollars per share)	$ (0.57)	$ (10.71)
Diluted (in dollars per share)	$ (0.57)	$ (10.71)
Weighted-average number of common shares outstanding
Basic (in shares)	16,047	15,984
Diluted (in shares)	16,047	15,984