Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Operating expenses:
Compensation and benefits	$ 340	$ 345	$ 747	$ 762
Professional and outside services	556	812	1,119	1,947
Property operating and maintenance	6	2	15	11
Insurance	67	63	134	124
Other operating	14	12	25	25
Total operating expenses	983	1,234	2,040	2,869
Operating income (loss)	(983)	(1,234)	(2,040)	(2,869)
Interest income	1	0	1	1
Income (loss) before income taxes	(982)	(1,234)	(2,039)	(2,868)
Income tax expense (benefit)	1	0	1	1
Net income (loss)	$ (983)	$ (1,234)	$ (2,040)	$ (2,869)
Net income (loss) per common share - basic (in dollars per share)	$ (0.02)	$ (0.03)	$ (0.05)	$ (0.07)
Weighted average common shares outstanding - basic (in shares)	40,738	40,738	40,738	40,738