Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Statement of Comprehensive Income [Abstract]
Income (loss) from continuing operations	$ 919	$ (459)
Income (loss) from discontinued operations	16	(271)
Net income (loss)	935	(730)
Other comprehensive income:
Unrealized gain (loss) on investments, net of taxes	1	(1)
Other comprehensive gain (loss)	1	(1)
Comprehensive income (loss)	$ 936	$ (731)