XML 145 R118.htm IDEA: XBRL DOCUMENT
v3.25.1

SUPPLEMENTAL CASH FLOW INFORMATION (Schedule of changes in liabilities arising from financing activities) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
Disclosure of reconciliation of liabilities arising from financing activities |  |
Conversion of debenture | $ (35,383) | $ (225)
2024 Convertible Notes |  |
Disclosure of reconciliation of liabilities arising from financing activities |  |
Additions | 172,500 |
Transaction costs | (6,488) |
Additions allocated to equity | (45,999) |
Transaction costs allocated to equity | 1,730 |
Interest | 4,288 |
Liabilities arising from financing activities at end of period | 126,031 |
2019 Convertible Debentures |  |
Disclosure of reconciliation of liabilities arising from financing activities |  |
Liabilities arising from financing activities at beginning of period | 43,901 | 42,155
Conversion of debenture | (35,383) | (225)
Interest | 1,131 | 1,971
Extinguishment of debt | 146 |
Payments | (9,795) |
Liabilities arising from financing activities at end of period |  | 43,901
Credit Facility |  |
Disclosure of reconciliation of liabilities arising from financing activities |  |
Liabilities arising from financing activities at beginning of period | 162,946 | 177,020
Additions | 68,000 | 75,500
Interest | 2,054 | 926
Payments | (233,000) | (90,500)
Liabilities arising from financing activities at end of period |  | 162,946
Lease obligations |  |
Disclosure of reconciliation of liabilities arising from financing activities |  |
Liabilities arising from financing activities at beginning of period | 57,401 | 21,346
Additions | 27,038 | 48,805
Terminations | (75) | (21)
Interest | 4,507 | 3,658
Payments | (20,690) | (16,625)
Foreign exchange | (204) | 238
Liabilities arising from financing activities at end of period | $ 67,977 | $ 57,401

X
- Definition The decrease in liabilities arising from financing activities resulting from amounts allocated to equity. + References No definition available. + Details
Name: | fsm_DecreaseInLiabilitiesArisingFromFinancingActivitiesDueToAllocatedToEquity
Namespace Prefix: | fsm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Decrease through principal payments. + References No definition available. + Details
Name: | fsm_DecreaseThroughPrincipalPayments
Namespace Prefix: | fsm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Decrease through terminations. + References No definition available. + Details
Name: | fsm_DecreaseThroughTerminations
Namespace Prefix: | fsm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The increase (decrease) in liabilities arising from financing activities resulting from extinguishment. + References No definition available. + Details
Name: | fsm_IncreaseDecreaseInLiabilitiesArisingFromFinancingActivitiesDueToExtinguishment
Namespace Prefix: | fsm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Increase (decrease) related to conversion of debentures. + References No definition available. + Details
Name: | fsm_IncreaseDecreaseRelatedToConversionOfDebentures
Namespace Prefix: | fsm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The increase (decrease) in liabilities arising from financing activities resulting from changes in foreign exchange. + References No definition available. + Details
Name: | fsm_IncreaseDecreaseThroughChangesInForeignExchangeLiabilitiesArisingFromFinancingActivities
Namespace Prefix: | fsm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The increase (decrease) in liabilities arising from financing activities resulting from Interest. + References No definition available. + Details
Name: | fsm_IncreaseDecreaseThroughInterest
Namespace Prefix: | fsm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The increase in liabilities arising from financing activities resulting from transaction costs allocated to equity. + References No definition available. + Details
Name: | fsm_IncreaseInLiabilitiesArisingFromFinancingActivitiesDueToTransactionCostsAllocatedToEquity
Namespace Prefix: | fsm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Increase in liabilities arising from various financing activities. + References No definition available. + Details
Name: | fsm_IncreaseInLiabilitiesArisingFromVariousFinancingActivities
Namespace Prefix: | fsm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of transaction cost paid. + References No definition available. + Details
Name: | fsm_PaymentOfTransactionCost
Namespace Prefix: | fsm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. + References No definition available. + Details
Name: | ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of liabilities for which cash flows were, or future cash flows will be, classified in the statement of cash flows as cash flows from financing activities. [Refer: Cash flows from (used in) financing activities; Liabilities] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 7 -IssueDate 2024-01-01 -Paragraph 44D -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2024-en-r&anchor=para_44D&doctype=Standard -URIDate 2024-03-27 + Details
Name: | ifrs-full_LiabilitiesArisingFromFinancingActivities
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | ifrs-full_LiabilitiesArisingFromFinancingActivitiesAxis=fsm_ConvertibleNotes2024Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_LiabilitiesArisingFromFinancingActivitiesAxis=fsm_DebentureMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_LiabilitiesArisingFromFinancingActivitiesAxis=fsm_TermCreditFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_LiabilitiesArisingFromFinancingActivitiesAxis=ifrs-full_LeaseLiabilitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |