Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Cash Flows from Operating Activities:
Net loss	$ (2.2)	$ (1.5)
Adjustments to reconcile net loss to net cash used in operating activities:
Payment-in-Kind interest	0.2	0.1
Changes in operating assets and liabilities	1.0	0.1
Net cash used in operating activities	(1.0)	(1.3)
Cash Flows from Investing Activities:
Purchase of investments		(0.2)
Net cash used in investing activities		(0.2)
Cash Flows from Financing Activities:
Net cash provided by financing activities
Net change in cash and cash equivalents	(1.0)	(1.5)
Cash and cash equivalents — beginning of period	1.2	4.1
Cash and cash equivalents — end of period	0.2	2.6
Supplemental disclosures of cash paid during the period:
Interest expense		0.1
Non-cash investing and financing activities during the period:
Marketable securities received from Arrive distribution	0.3
Offset accounts receivable from Arrive vs capital contribution due Arrive	$ 0.1