Other receivables (Details) - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023
Receivables [Abstract]
Sales taxes receivable	$ 1.4	$ 1.8
Other receivable	0.2	0.1
Total other receivables	$ 1.6	$ 1.9

Amount, after allowance, of receivables classified as other, due within one year or the operating cycle, if longer.

No definition available.

Name:	us-gaap_OtherReceivablesNetCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant