Condensed Consolidated Statements of Operations and Comprehensive (Loss) Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Operating expenses:
General and administrative expenses	$ 504	$ 619	$ 1,567	$ 2,143
Gain on sale of assets		(94)	(445)	(144)
Total operating expenses	504	525	1,122	1,999
Loss from operations	(504)	(525)	(1,122)	(1,999)
Other income:
Interest income	62		70	19
Total other income	62		70	19
Net loss and comprehensive loss	$ (442)	$ (525)	$ (1,052)	$ (1,980)
Net loss per common share - basic	$ (0.03)	$ (0.04)	$ (0.08)	$ (0.15)
Net loss per common share - diluted	$ (0.03)	$ (0.04)	$ (0.08)	$ (0.15)
Weighted-average common shares used to compute basic net loss per common share	13,410	13,410	13,410	13,406
Weighted-average common shares used to compute diluted net loss per common share	13,410	13,410	13,410	13,406