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Fair Value Measurements | 12 Months Ended
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Jun. 30, 2025
Fair Value Disclosures [Abstract] |
Fair Value Measurements | Note 4. Fair Value Measurements Fair value is the price that would be received from selling an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. Fair value is estimated by applying the following hierarchy, which prioritizes the inputs used to measure fair value into three levels and bases the categorization with the hierarchy upon the lowest level of input that is available and significant to the fair value measurement: The fair value hierarchy consists of three broad levels, which gives the highest priority to unadjusted quoted prices in active markets for identical assets or liabilities (Level 1) and the lowest priority to unobservable inputs (Level 3). The three levels of the fair value hierarchy under ASC 820 are described below: Level 1 Unadjusted quoted prices in active markets that are accessible at the measurement date for identical, unrestricted assets or liabilities. Level 2 Inputs other than quoted prices included within Level 1 that are observable for the asset or liability, either directly or indirectly, including quoted prices for similar assets or liabilities in active markets; quoted prices for identical or similar assets or liabilities in markets that are not active; inputs other than quoted prices that are observable for the asset or liability (e.g., interest rates); and inputs that are derived principally from or corroborated by observable market data by correlation or other means. Level 3 Inputs that are both significant to the fair value measurement and unobservable. Financial assets and liabilities measured at fair value on a recurring basis by level within the fair value hierarchy. As required by ASC 820, assets and liabilities are classified in their entirety based on the lowest level of input that is significant to the fair value measurement. Our financial instruments include cash, accounts payable, accrued liabilities, notes payable, the derivative liability of royalty convertible debenture (see Note 7). Due to their short maturity of our cash, accounts payable, notes payable and accrued liabilities, we believe that their carrying amounts approximate fair value as of June 30, 2025 and June 30, 2024. The Company determined that the derivative liability (Note 7) embedded in the Debenture is required to be accounted for separately from the Debenture as a derivative liability and recorded at fair value and the remaining value allocated to the Debenture net the unamortized debt issuance costs. The derivative liability will be fair valued at each reporting period, with changes in fair value recorded as a gain or loss in the Consolidated Statement of Operations. During the year ended June 30, 2025 and 2024, the fair value derivative liability increased by $435,824 and $881,727, respectively, and it was recorded in Other expenses on the Consolidated Statement of Operations. As of June 30, 2025, the Royalty conversion feature is recorded at $4,077,929 (June 30, 2024 - $3,642,105) and is valued based on Level 3 inputs. Several steps were used to calculate the fair value of the Royalty conversion feature on the Debenture. First utilizing the Royalty Agreement's royalty rate of 4.75% for the life of mine, the annual gross royalty amounts were calculated from estimated expected gross revenues of the proposed Grassy Mountain Mine. The gold and silver price assumption was derived by management based on its judgment, taking into account current pricing trends and trends observed in royalty transactions. Also, management considered the mineral reserves of the proposed mine. The annual royalty amounts were discounted using a long term stock market rate of return of 10%. In determining expected future cash flows, management has also considered a number of project-specific risk factors that affect the timing of commencement of production, including the completion of federal and state permitting, the ability secure construction financing on acceptable terms, and uncertainties related to construction schedules. These risks and key input assumptions could materially impact both the timing and amount of the royalty payments, and therefore the fair value of the Royalty conversion feature. Second, a Black-Scholes model was used to calculate the fair value of the conversion option. The key assumptions in valuing the royalty conversion option derivative include:
﻿ | June 30, 2025 |  |  | At June 30, 2024 |
Cumulative present value of royalty stream | $ | 16,758,545 |  |  | $ | 15,188,299 |
Conversion threshold is set as the value of the Debenture | $ | 15,000,000 |  |  | $ | 15,000,000 |
Term in years | 3.49 |  |  | 4.49 |
Volatility (A five year portfolio volatility of gold and silver, weighted by relative value in the project, is used as the historical volatility for the royalty stream) |  | 15.93 | % |  |  | 16.65 | %
Risk-Free Rate (Derived from a term-matched coupon risk-free interest rate derived from the Treasury Constant Maturities yield curve) |  | 3.64 | % |  |  | 4.27 | %
Dividend yield 1 |  | 0 | % |  |  | 0 | %
1. Dividend yield is set to 0% as no value of the royalty is lost given that production is assumed to begin in year 5

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- Definition The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 107 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482078/820-10-55-107 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 100 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482078/820-10-55-100 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6A -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-6A Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2E -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2E Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6A -Subparagraph (h) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-6A Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6A -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-6A Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6A -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-6A Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6A -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-6A Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (h) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 12: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (g) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 13: http://www.xbrl.org/2003/role/disclosureRef -Topic 940 -SubTopic 820 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478119/940-820-50-1 + Details
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