Schedule of Net Revenue, Operating Loss from Continuing Operations and Assets by Segment (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Segment Reporting Information [Line Items]
Total net revenue
Total operating loss	(0.7)	(2.8)	(2.3)	(5.5)
Interest expense	(0.1)	(0.2)	(0.2)	(1.9)
Gain on Chapter 11 reorganization				13.8
Bank Loan forgiveness				0.4
Other income, net		0.4	0.2	0.4
Income (loss) from continuing operations before income taxes	(0.8)	(2.6)	(2.3)	7.2
Total consolidated assets	15.3		15.3		$ 17.2
Operating Segments [Member]
Segment Reporting Information [Line Items]
Total operating loss	(0.4)		(1.1)	(2.0)
Total consolidated assets	13.4		13.4		13.2
Corporate, Non-Segment [Member]
Segment Reporting Information [Line Items]
Total operating loss	(0.3)	(2.8)	(1.2)	(3.5)
Total consolidated assets	1.9		1.9		4.0
Asset Management Income [Member]
Segment Reporting Information [Line Items]
Total net revenue
Total operating loss	(0.4)		(1.1)	$ (2.0)
Total consolidated assets	$ 13.4		$ 13.4		$ 13.2