Accounts Receivable (Details) - Schedule of accounts receivable - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019
Schedule of accounts receivable [Abstract]
Trade receivables	$ 30.4	$ 24.5
Less: long-term receivable recorded in other assets	(1.4)	(1.5)
Finance lease receivables	0.7	1.5
Receivables from affiliate		0.4
Other receivables	0.1	0.2
Allowance for doubtful accounts	(2.3)	(0.9)
Total accounts receivable, net	$ 27.5	$ 24.2