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Fair Value Measurements (Tables) | 12 Months Ended
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Jun. 30, 2025
Fair Value Disclosures [Abstract] |
Summary of Key Assumptions in Valuing the Royalty Conversion Option Derivative | 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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