Property, Plant and Equipment (Tables)

12 Months Ended

Dec. 31, 2023

Disclosure of detailed information about property, plant and equipment [abstract]

Summary of Property, Plant and Equipment

	Thacker Pass Project			Buildings		Equipment and machinery			Other1			Total
	$			$		$			$			$
Cost
As at December 31, 2021		-			-		1,316			5,016			6,332
Acquisition		-			1,571		2,640			-			4,211
Additions		-			103		1,035			1,051			2,189
As at December 31, 2022		-			1,674		4,991			6,067			12,732
Transfers from E&E (Note 10)		9,514			-		-			-			9,514
Acquisition of Arena Minerals (Note 7)		-			-		-			55			55
Additions		118,454			3,529		239			1,964			124,186
Disposals		-			-		(98	)		(282	)		(380	)
Assets distributed upon separation (Note 4)		(127,968	)		-		(2,416	)		(4,348	)		(134,732	)
As at December 31, 2023		-			5,203		2,716			3,456			11,375

9.PROPERTY, PLANT AND EQUIPMENT (continued)

	Thacker Pass Project		Buildings		Equipment and machinery			Other1			Total
	$		$		$			$			$
Accumulated depreciation
As at December 31, 2021		-		-		814			1,150			1,964
Depreciation for the period		-		106		513			1,123			1,742
As at December 31, 2022		-		106		1,327			2,273			3,706
Depreciation for the period		-		240		466			1,434			2,140
Disposals		-		-		-			(166	)		(166	)
Assets distributed upon separation (Note 4)		-		-		(1,653	)		(1,897	)		(3,550	)
As at December 31, 2023		-		346		140			1,644			2,130

	Thacker Pass Project		Buildings		Equipment and machinery		Other1		Total
	$		$		$		$		$
Net book value
As at December 31, 2022		-		1,568		3,664		3,794		9,026
As at December 31, 2023		-		4,857		2,576		1,812		9,245

1 The “Other” category includes right of use assets with a cost of $1,996 and $463 of accumulated depreciation as at December 31, 2023.