Schedule of Net Revenue, Operating Loss from Continuing Operations and Assets by Segment (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Operating income (loss) from continuing operations
Total operating loss	$ (3.0)	$ (6.2)
Interest expense	(0.3)	(2.0)
Gain on Chapter 11 reorganization		20.4
Bank Loan forgiveness		0.4
Other income (expense), net	0.3	0.4
Income (loss) from continuing operations before income taxes	(3.0)	13.0
Total consolidated assets	14.6	17.2
Operating Segments [Member]
Operating income (loss) from continuing operations
Total operating loss	(1.3)	(2.0)
Total consolidated assets	13.5	13.2
Corporate, Non-Segment [Member]
Operating income (loss) from continuing operations
Total operating loss	(1.7)	(4.2)
Total consolidated assets	1.1	4.0
Asset Management Income [Member]
Operating income (loss) from continuing operations
Total operating loss	(1.3)	(2.0)
Total consolidated assets	$ 13.5	$ 13.2