The description of maximum percentage of shares reserved for issuance for share-based compensation arrangement.

No definition available.

Name:	fury_DescriptionOfMaximumPercentageOfSharesReservedForIssuanceForSharebasedCompensationArrangement
Namespace Prefix:	fury_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The number of instruments authorised in share-based payment arrangement.

+ References

No definition available.

+ Details

Name:	fury_NumberOfInstrumentsAuthorisedInSharebasedPaymentArrangement
Namespace Prefix:	fury_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- References

No definition available.

+ Details

Name:	fury_Statement1LineItems
Namespace Prefix:	fury_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The description of the vesting requirements for a type of share-based payment arrangement that existed at any time during the period.

+ References

No definition available.

+ Details

Name:	fury_VestingRequirementsForSharebasedPaymentArrangementPercentage
Namespace Prefix:	fury_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The amount of expense arising from share-based payment transactions in which the goods or services received did not qualify for recognition as assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2024-01-01
-Paragraph 51
-Subparagraph a
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2024-en-r&anchor=para_51_a&doctype=Standard
-URIDate 2024-03-27

+ Details

Name:	ifrs-full_ExpenseFromSharebasedPaymentTransactionsInWhichGoodsOrServicesReceivedDidNotQualifyForRecognitionAsAssets
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The number of other equity instruments (ie other than share options) granted in a share-based payment arrangement.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IFRS
-Number 2
-IssueDate 2024-01-01
-Paragraph 45
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2024-en-r&anchor=para_45&doctype=Standard
-URIDate 2024-03-27

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2024-01-01
-Paragraph 47
-Subparagraph b
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2024-en-r&anchor=para_47_b&doctype=Standard
-URIDate 2024-03-27

+ Details

Name:	ifrs-full_NumberOfInstrumentsOtherEquityInstrumentsGranted
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	duration

- Definition

The number of share options granted in a share-based payment arrangement.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2024-01-01
-Paragraph 45
-Subparagraph b
-Clause ii
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2024-en-r&anchor=para_45_b_ii&doctype=Standard
-URIDate 2024-03-27

+ Details

Name:	ifrs-full_NumberOfShareOptionsGrantedInSharebasedPaymentArrangement
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	duration

- Definition

The weighted average share price used as input to the option pricing model to calculate the fair value of share options granted. [Refer: Option pricing model [member]; Weighted average [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2024-01-01
-Paragraph 47
-Subparagraph a
-Clause i
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2024-en-r&anchor=para_47_a_i&doctype=Standard
-URIDate 2024-03-27

+ Details

Name:	ifrs-full_WeightedAverageSharePriceShareOptionsGranted2019
Namespace Prefix:	ifrs-full_
Data Type:	dtr-2022:perShareItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	ifrs-full_ClassesOfShareCapitalAxis=ifrs-full_RestrictedShareUnitsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=fury_LongtermIncentivePlanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_TitleOfIndividualAxis=srt_ExecutiveOfficerMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_TitleOfIndividualAxis=srt_DirectorMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_TitleOfIndividualAxis=srt_OfficerMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Note 19 - Share-based Compensation and Warrant Reserve (Details Textual) $ / shares in Units, $ in Thousands			12 Months Ended
	Jan. 31, 2024	Jan. 09, 2024 shares	Dec. 31, 2024 CAD ($) $ / shares	Dec. 31, 2023 CAD ($) $ / shares	Dec. 31, 2022 CAD ($) $ / shares
Statement Line Items [Line Items]
Number of share options granted in share-based payment arrangement			245,000	3,134,800
Expense from share-based payment transactions			$ 859	$ 1,351	$ 1,669
Weighted average share price, share options granted (in CAD per share) \| $ / shares			$ 0.31	$ 0.47	$ 0.46
Restricted share units [member]
Statement Line Items [Line Items]
Number of other equity instruments granted in share-based payment arrangement			1,827,245	197,345
Long-term incentive plan [member]
Statement Line Items [Line Items]
Description of maximum percentage of shares reserved for issuance for share-based compensation arrangement			10.00%
Long-term incentive plan [member] \| Restricted share units [member]
Statement Line Items [Line Items]
Number of other equity instruments granted in share-based payment arrangement		1,318,623
Vesting requirements for share-based payment arrangement, percentage		0.33%
Executive Officer [Member]
Statement Line Items [Line Items]
Expense from share-based payment transactions			$ 177	$ 0
Director [Member] \| Long-term incentive plan [member] \| Restricted share units [member]
Statement Line Items [Line Items]
Number of instruments authorised in share-based payment arrangement (in shares) \| shares		235,080
Officer [Member] \| Long-term incentive plan [member] \| Restricted share units [member]
Statement Line Items [Line Items]
Number of other equity instruments granted in share-based payment arrangement	273,542