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ACCOUNTS PAYABLE AND ACCRUED LIABILITIES (Details) - CAD ($) | Dec. 31, 2023 | Dec. 31, 2022
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ACCOUNTS PAYABLE AND ACCRUED LIABILITIES |  |
Accounts payable and accrued liabilities | $ 5,207,323 | $ 5,588,742
Reclamation provision | 1,285,031 | 1,411,293
Accounts payable and accrued liabilities, end of year | $ 6,492,354 | $ 7,000,035

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- Definition The amount of provision for costs related to decommissioning, restoration and rehabilitation. [Refer: Other provisions] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 37 -IssueDate 2023-01-01 -Section D Examples: disclosures -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=37&code=ifrs-tx-2023-en-r&doctype=Illustrative%20Examples&dita_xref=IAS37_IE_D_TI -URIDate 2023-03-23 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 37 -IssueDate 2023-01-01 -Paragraph 87 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=37&code=ifrs-tx-2023-en-r&anchor=para_87&doctype=Standard -URIDate 2023-03-23 + Details
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Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

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- Definition The amount of trade accounts payable and accrued liabilities. + References No definition available. + Details
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Namespace Prefix: | nfgc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition The amount of trade accounts payable and accrued liabilities before provisions and other adjustments. + References No definition available. + Details
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Namespace Prefix: | nfgc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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