Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Income Statement [Abstract]
Net revenue			$ 0.1
Operating expenses:
Selling, general and administrative	1.1	0.8	2.2	1.6
Total operating expenses	1.1	0.8	2.2	1.6
Operating loss	(1.1)	(0.8)	(2.1)	(1.6)
Other income (expense):
Interest expense	(0.1)		(0.2)	(0.1)
Other income, net	0.1	0.1	0.1	0.2
Total other income (expense)		0.1	(0.1)	0.1
Loss before income taxes	(1.1)	(0.7)	(2.2)	(1.5)
Net loss	$ (1.1)	$ (0.7)	$ (2.2)	$ (1.5)
Net loss per common share — basic and diluted:
Earnings Per Share, Basic	$ (41.66)	$ (26.52)	$ (83.33)	$ (56.82)
Earnings Per Share, Diluted	$ (41.66)	$ (26.52)	$ (83.33)	$ (56.82)
Weighted average common shares outstanding:
Basic (thousands)	26,400	26,400	26,400	26,400
Diluted (thousands)	26,400	26,400	26,400	26,400