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PROPERTY, PLANT AND EQUIPMENT - Additional information (Details) | 1 Months Ended | 9 Months Ended
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Sep. 30, 2025 USD ($) | Jun. 30, 2025 USD ($) claim | May 31, 2025 USD ($) | Mar. 31, 2025 USD ($) claim | Feb. 28, 2025 USD ($) | Jan. 31, 2025 USD ($) claim | Sep. 30, 2025 USD ($) | Sep. 30, 2024 USD ($)
PROPERTY, PLANT AND EQUIPMENT |  |  |  |  |  |  |  |
Mining leases Payments |  |  |  |  | $ 445,000 |  |  |
Payments to acquire |  |  |  |  |  |  | $ 16,069,244 | $ 223,058
January Fairbanks Agreement |  |  |  |  |  |  |  |
PROPERTY, PLANT AND EQUIPMENT |  |  |  |  |  |  |  |
Number of mining claims | claim |  |  |  |  |  | 120 |  |
Commitment amount |  |  |  |  |  | $ 2,250,000 |  |
Commitment period |  |  |  |  |  | 5 years |  |
March Fairbanks Agreement |  |  |  |  |  |  |  |
PROPERTY, PLANT AND EQUIPMENT |  |  |  |  |  |  |  |
Number of mining claims | claim |  |  |  | 25 |  |  |  |
Commitment amount |  |  |  | $ 250,000 |  |  |  |
Commitment period |  |  |  | 41 months |  |  |  |
June Fairbanks Agreement |  |  |  |  |  |  |  |
PROPERTY, PLANT AND EQUIPMENT |  |  |  |  |  |  |  |
Number of mining claims | claim |  | 50 |  |  |  |  |  |
Acquisition cost |  | $ 5,000,000 |  |  |  |  |  |
Direct transaction costs related to acquisition |  | 25,120 |  |  |  |  |  |
Commitment amount |  | $ 700,000 |  |  |  |  |  |
Commitment period |  | 39 months |  |  |  |  |  |
Termination notice period |  | 90 days |  |  |  |  |  |
September Fairbanks Agreement |  |  |  |  |  |  |  |
PROPERTY, PLANT AND EQUIPMENT |  |  |  |  |  |  |  |
Commitment amount | $ 250,000 |  |  |  |  |  |  |
Commitment period | 36 months |  |  |  |  |  |  |
Surface rights |  |  |  |  |  |  |  |
PROPERTY, PLANT AND EQUIPMENT |  |  |  |  |  |  |  |
Payments to acquire |  |  | $ 230,000 |  |  |  |  |

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- Definition Threshold period of prior notice to be served by the entity for termination of mineral rights agreement expressed in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Amount agreed by the company to expend funds on exploring and developing net smelter royalty claims. + References No definition available. + Details
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- Definition Period for which the entity has committed to expend funds on exploration expressed in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 13 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-13 + Details
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