Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Operating expenses:
Compensation and benefits	$ 385	$ 407
Professional and outside services	728	563
Property operating and maintenance	8	9
Insurance	58	67
Other operating	13	11
Total operating expenses	1,192	1,057
Operating income (loss)	(1,192)	(1,057)
Interest income	1	0
Interest expense	(29)	0
Income (loss) before income taxes	(1,220)	(1,057)
Income tax expense (benefit)	0	0
Net income (loss)	$ (1,220)	$ (1,057)
Net income (loss) per common share - basic (in dollars per share)	$ (0.03)	$ (0.03)
Weighted average common shares outstanding - basic (in shares)	40,738	40,738