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v3.25.1

Note 7 - Cash and Restricted Cash (Details Textual) - CAD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Statement Line Items [Line Items] |  |
Non-current restricted cash and cash equivalents | $ 144 | $ 144
Financial guarantee, standby letter of credit [member] |  |
Statement Line Items [Line Items] |  |
Non-current restricted cash and cash equivalents | $ 75 | $ 75

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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

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- Definition The amount of non-current restricted cash and cash equivalents. [Refer: Restricted cash and cash equivalents] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 55 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_55&doctype=Standard -URIDate 2024-03-27 + Details
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Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |