Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Operating expenses:
Compensation and benefits	$ 352	$ 347	$ 711	$ 732
Professional and outside services	1,570	813	2,881	1,541
Property operating and maintenance	6	2	10	10
Insurance	12	57	44	115
Other operating	65	28	84	41
Total operating expenses	2,005	1,247	3,730	2,439
Operating income (loss)	(2,005)	(1,247)	(3,730)	(2,439)
Interest income	19	0	19	1
Interest expense	(51)	22	63	51
Income (loss) before income taxes	(1,935)	(1,269)	(3,774)	(2,489)
Income tax expense (benefit)	0	0	0	0
Net income (loss)	$ (1,935)	$ (1,269)	$ (3,774)	$ (2,489)
Net income (loss) per common share - basic (in dollars per share)	$ (0.02)	$ (0.03)	$ (0.06)	$ (0.06)
Weighted average common shares outstanding - basic (in shares)	84,938	40,738	62,838	40,738