Segment reporting (Tables)

3 Months Ended

Mar. 31, 2023

Disclosure of operating segments [abstract]

Schedule of geographical areas

The following is a summary of the Company’s geographical information:

	Canada¹		United States		Germany		Other		Total
Revenues
Three months ended March 31, 2023	$	(0.5)	$	4.1	$	—	$	—	$	3.6
Three months ended March 31, 2022	2.2		5.8		—		—		8.0
Non-current assets
As at March 31, 2023	$	45.4	$	282.1	$	18.5	$	2.7	$	348.7
As of December 31, 2022	38.1		213.0		11.6		2.7		265.4

¹The decrease in cobalt and nickel prices over the three months ended March 31, 2023 has resulted in fair value adjustment losses which exceed the new product sales revenue recognized in the period.