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Note 16 - Impairment (Tables) | 12 Months Ended
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Dec. 31, 2024
Statement Line Items [Line Items] |
Disclosure of impairment loss [text block] |
|  | Years ended December 31 |
|  | 2024 |  |  | 2023 |  |  | 2022 |
Impairment on mineral properties interests |  | $ | 100,873 |  |  | $ | - |  |  | $ | - |
Impairment on assets held for sale |  |  | - |  |  |  | - |  |  |  | 5,506 |
Total transactions for the year |  | $ | 100,873 |  |  | $ | - |  |  | $ | 5,506 |

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- Definition The disclosure of impairment loss. + References No definition available. + Details
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Namespace Prefix: | fury_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
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Namespace Prefix: | fury_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration