Condensed Consolidated Statements of Operations and Comprehensive (Loss) Income - 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:
General and administrative expenses	$ 486	$ 778	$ 1,063	$ 1,524
Gain on sale of assets			(445)	(50)
Total operating expenses	486	778	618	1,474
Loss from operations	(486)	(778)	(618)	(1,474)
Other income:
Interest income	8	19	8	19
Total other income	8	19	8	19
Net loss and comprehensive loss	$ (478)	$ (759)	$ (610)	$ (1,455)
Net loss per common share - basic	$ (0.04)	$ (0.06)	$ (0.05)	$ (0.11)
Net loss per common share - diluted	$ (0.04)	$ (0.06)	$ (0.05)	$ (0.11)
Weighted-average common shares used to compute basic net loss per common share	13,410	13,410	13,410	13,404
Weighted-average common shares used to compute diluted net loss per common share	13,410	13,410	13,410	13,404