The percentage points added to the reference rate to compute the variable rate on the lessee's capital lease.

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long-term gold prices

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Amount recognized for the passage of time, typically for liabilities, that have been discounted to their net present values. Excludes accretion associated with asset retirement obligations.

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The amount of cash, securities, or other assets held by a third-party trustee pursuant to the terms of an agreement which assets are available to be used by beneficiaries to that agreement only within the specific terms thereof and which agreement is expected to terminate more than one year from the balance sheet date (or operating cycle, if longer) at which time the assets held-in-trust will be released or forfeited.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Weighted average remaining lease term for finance lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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The interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a set, unchanging rate.

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The interest rate used to discount the estimated cash flows associated with the payment of malpractice claims.

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Percentage of risk undertaken originally by insurer ceded to reinsurer.

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Fair Value Measurement (Details) oz in Thousands	6 Months Ended		12 Months Ended
Fair Value Measurement (Details) oz in Thousands	Jun. 30, 2025 USD ($) oz	Jun. 30, 2024 USD ($)	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)
Fair Value Measurement [Line Items]
Long-term gold prices \| oz	2,006
Remaining term	18 years 3 months 18 days
Inflation rate	4.70%
Market risk percentage	5.50%
Accretion expense	$ 871,000		$ 1,037,000
PERCEPTION CAPITAL CORP IV [Member]
Fair Value Measurement [Line Items]
Assets held in trust account			$ 3,954,190	$ 52,977,929
Royalty Liabilities [Member]
Fair Value Measurement [Line Items]
Discount rate percentage	10.00%
Asset Retirement Obligation [Member]
Fair Value Measurement [Line Items]
Discount rate	12.50%
Accretion expense	$ 1,908,000	$ 871,000