Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Deferred tax assets
Loss carryforwards	$ 24,983	$ 17,155
Mineral rights and properties	4,952	6,273
Inventory	1,489	0
Transaction and financing costs	1,685	2,260
Lease liability	97	128
Warranty liability	815	815
Investment in partnership	3,066	0
Other	197	122
Deferred tax assets	37,284	26,753
Valuation allowance	(34,697)	(24,819)
Net deferred tax asset	2,587	1,934
Deferred tax liabilities
Investments in equity securities	(786)	(942)
Intangible assets	(35)	(38)
Right of use of assets	(86)	(120)
Mineral rights and properties	(28,142)	(28,306)
Other	(518)	(487)
Deferred tax liabilities	(29,567)	(29,893)
Net deferred tax liability	$ (26,980)	$ (27,959)

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Deferred Tax Liabilities, Mineral Rights And Properties

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Amount of deferred tax liability attributable to taxable temporary differences.

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