Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Operating expenses:
Compensation and benefits	$ 323	$ 336	$ 1,055	$ 1,083
Professional and outside services	858	289	2,399	1,408
Property operating and maintenance	7	1	17	16
Insurance	95	63	210	197
Other operating	18	32	59	57
Total operating expenses	1,301	721	3,740	2,761
Operating income (loss)	(1,301)	(721)	(3,740)	(2,761)
Interest income	1	4	2	5
Interest expense	99	0	150	0
Income (loss) before income taxes	(1,399)	(717)	(3,888)	(2,756)
Income tax expense (benefit)	0	0	0	1
Net income (loss)	$ (1,399)	$ (717)	$ (3,888)	$ (2,757)
Net income (loss) per common share - basic (in dollars per share)	$ (0.03)	$ (0.02)	$ (0.1)	$ (0.07)
Weighted average common shares outstanding - basic (in shares)	40,738	40,738	40,738	40,738