Financial instruments and financial risk factors (Tables)

12 Months Ended

Dec. 31, 2023

Investments, All Other Investments [Abstract]

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis

The Company’s financial assets and financial liabilities measured at fair value on a recurring basis are as follows:

As at December 31, 2023	Balance		Level 1		Level 2
Accounts receivable (subject to provisional pricing)	$	0.6	$	—	$	0.6
Conversion feature of convertible debt (refer to Note 17)	0.4		—		0.4
As at December 31, 2022	Balance		Level 1		Level 2
Accounts receivable (subject to provisional pricing)	$	1.2	$	—	$	1.2
Conversion feature of convertible debt (refer to Note 17)	22.5		—		22.5
As at October 31, 2022	Balance		Level 1		Level 2
Accounts receivable (subject to provisional pricing)	$	2.0	$	—	$	2.0
Conversion feature of convertible debt (refer to Note 17)	43.9		—		43.9
As at October 31, 2021	Balance		Level 1		Level 2
Accounts receivable (subject to provisional pricing)	$	2.8	$	—	$	2.8
Warrants (refer to Note 18)	82.1		53.5		28.6
Conversion feature of convertible debt (refer to Note 17)	29.0		—		29.0

Schedule Of Sensitivity Analysis Of Fair Value, Nonmonetary Commodity

The following table sets out the Company's exposure, in relation to the impact of movements in the Cobalt and Nickel price for the provisionally invoices sales volume:

As at December 31, 2023	Cobalt		Nickel
Metric tonnes subject to fair value pricing adjustments	2,313.0		2,313.0
10% increase in prices	$	0.2	$	0.3
10% decrease in prices	$	(0.2)	$	(0.3)

As at December 31, 2022	Cobalt		Nickel
Metric tonnes subject to fair value pricing adjustments	4,428.0		4,428.0
10% increase in prices	$	0.8	$	1.4
10% decrease in prices	$	(0.8)	$	(1.4)

As at October 31, 2022	Cobalt		Nickel
Metric tonnes subject to fair value pricing adjustments	4,202.0		4,202.0
10% increase in prices	$	1.1	$	1.0
10% decrease in prices	$	(1.1)	$	(1.0)

As at October 31, 2021	Cobalt		Nickel
Metric tonnes subject to fair value pricing adjustments	1,728.0		1,728.0
10% increase in prices	$	0.3	$	0.4
10% decrease in prices	$	(0.3)	$	(0.4)

Schedule Of Nonmonetary Commodity, Fair Value

The following table sets out the period end commodity prices for Cobalt and Nickel:

As at December 31, 2023	Market price per tonne
Cobalt	$	28,660
Nickel	$	16,250

As at December 31, 2022	Market price per tonne
Cobalt	$	41,337
Nickel	$	30,400

As at October 31, 2022	Market price per tonne
Cobalt	$	53,462
Nickel	$	21,710

As at October 31, 2021	Market price per tonne
Cobalt	$	60,407
Nickel	$	19,300