Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Operating expenses:
Compensation and benefits	$ 328	$ 328	$ 1,075	$ 2,380
Professional and outside services	1,049	612	2,535	1,484
Property operating and maintenance	5	5	16	14
Insurance	100	49	186	138
Other operating	12	41	68	74
Total operating expenses	1,494	1,035	3,880	4,090
Operating income (loss)	(1,494)	(1,035)	(3,880)	(4,090)
Interest income	1	10	7	29
Income (loss) before income taxes	(1,493)	(1,025)	(3,873)	(4,061)
Income tax expense (benefit)	(30)	0	(28)	(29)
Net income (loss)	$ (1,463)	$ (1,025)	$ (3,845)	$ (4,032)
Net income (loss) per common share - basic (in dollars per share)	$ (0.04)	$ (0.03)	$ (0.09)	$ (0.10)
Weighted average common shares outstanding - basic (in shares)	40,738	40,738	40,738	40,738