Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Cash Flows from Operating Activities:
Net loss	$ (0.8)	$ (2.2)
Adjustments to reconcile net loss to net cash used in operating activities:
Payment-in-Kind interest	0.1
Depreciation and amortization		0.2
Change in non-controlling interest		(0.1)
Changes in operating assets and liabilities		1.0
Net cash used in operating activities	(0.7)	(1.1)
Cash Flows from Investing Activities:
Purchase of investments	(0.2)
Net cash provided by (used in) investing activities	(0.2)
Cash Flows from Financing Activities:
Net cash provided by financing activities
Net change in cash and cash equivalents	(0.9)	(1.1)
Cash, cash equivalents and restricted cash — beginning of period	4.1	1.8
Cash, cash equivalents and restricted cash — end of period	3.2	0.7
Supplemental disclosures of cash paid (received) during the period:
Income taxes (net of refunds received)		(0.6)
Interest expense	$ 0.1	$ 0.2