Condensed Consolidated Statements of Operations and Comprehensive Loss (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Total revenues	$ 368	$ 599	$ 1,307	$ 927
Costs and expenses:
Cost of sales	692	1,163	1,482	1,163
General and administrative	5,127	3,700	14,378	10,911
Depreciation	308	180	942	473
Total costs and expenses	6,127	5,043	16,802	12,547
Operating loss	(5,759)	(4,444)	(15,495)	(11,620)
Interest expense, net	(1,173)	(2,097)	(3,637)	(6,144)
Loss before income taxes	(6,932)	(6,541)	(24,683)	(17,764)
Income tax expense	(4)	(2)	(8)	(5)
Loss from equity-method investments	0	(2)	0	(171)
Net loss and comprehensive loss	(6,936)	(6,545)	(24,691)	(17,940)
Less: Preferred stock dividend	(1,265)	(1,265)	(3,818)	(3,818)
Net loss and comprehensive loss applicable to common stock	$ (8,201)	$ (7,810)	$ (28,509)	$ (21,758)
Basic and diluted net loss per common share (in dollars per share)	$ (0.12)	$ (0.15)	$ (0.44)	$ (0.45)
Basic and diluted weighted average shares outstanding (in shares)	66,611	50,793	65,299	48,689
Total revenues	$ 368	$ 599	$ 1,307	$ 927
Loss on derivative liability			(220)	0
Loss on early extinguishment of debt			$ (5,331)	$ 0