Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Income Statement [Abstract]
Revenues	$ 134,643	$ 66,126
Cost of sales	125,120	75,061
Gross profit (loss)	9,523	(8,935)
Operating expenses:
Research and development	12,642	12,295
Selling, general and administrative expenses	16,167	20,255
Total operating expenses	28,809	32,550
Loss from operations	(19,286)	(41,485)
Other (income) expense:
Interest expense, net	6,372	6,388
Change in fair value of warrants and conversion options	(21,696)	(31,741)
Other (income) expense, net	868	1,331
Total other (income) expense, net	(14,456)	(24,022)
Net loss from continuing operations before income tax	(4,830)	(17,463)
Income tax expense (benefit)	15	(39)
Net loss from continuing operations, net of tax	(4,845)	(17,424)
Net (loss) income from discontinued operations, net of tax - refer to Note 4, Discontinued Operations	1,791	848
Net loss	$ (3,054)	$ (16,576)
Net loss per common share:
Basic net loss per common share from continuing operations (in usd per share)	$ (0.03)	$ (0.11)
Diluted net loss per common share from continuing operations (in usd per share)	(0.03)	(0.11)
Basic net income per common share from discontinued operations (in usd per share)	0.01	0.01
Diluted net income per common share from discontinued operations (in usd per share)	0.01	0.01
Basic net loss per common share (in usd per share)	(0.02)	(0.10)
Diluted net loss per common share (in usd per share)	$ (0.02)	$ (0.10)
Weighted average shares outstanding:
Basic weighted average shares outstanding (in shares)	187,113	160,711
Diluted weighted average shares outstanding (in shares)	187,113	160,711