Disclosure of investments other than investments accounted for using equity method [text block]
ifrs-full_ProceedsFromGovernmentGrantsClassifiedAsFinancingActivities
Proceeds from government grants, classified as financing activities
Statement Table [Table]
Disclosure of investments accounted for using equity method [text block]
ifrs-full_InterestPaidClassifiedAsFinancingActivities
Short-term loan interest repaid
Statement Line Items [Line Items]
ecd_NonRule10b51ArrTrmntdFlag
Non-Rule 10b5-1 Arrangement Terminated [Flag]
Discloure of Significant Accounting Policies
Document And Entity Information
ecd_NonRule10b51ArrAdoptedFlag
Non-Rule 10b5-1 Arrangement Adopted [Flag]
Disclosure of derivative financial instruments [text block]
Trading Arrangements, by Individual [Table]
Note To Financial Statement Details Textual
ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities
Repayment of lease obligations
Material Terms of Trading Arrangement [Text Block]
Significant Accounting Policies
ecd_InsiderTrdPoliciesProcAdoptedFlag
Insider Trading Policies and Procedures Adopted [Flag]
Top of range [member]
ifrs-full_ProceedsFromIssuingOtherEquityInstruments
Proceeds from issuing other equity instruments
Note 4 - Investment In Associate
Shares issued for cash financings
Proceeds from issuing shares
Note 5 - Marketable Securities
Note 7 - Exploration and Evaluation Assets
Note 8 - Accounts Payable and Accrued Liabilities
Note 9 - Term Loans Payable
CASH FLOWS FROM FINANCING ACTIVITIES
Note 10 - Capital Stock and Reserves
ifrs-full_CashFlowsFromUsedInInvestingActivities
Net cash used in investing activities
Insider Trading Policies and Procedures [Line Items]
Note 11 - Related Party Transactions
Range [axis]
Note 12 - Segmented Information
Note 14 - Income Taxes
Note 16 - Commitments
Note 17 - Spin-Out Transaction
Note 4 - Investment In Associate - Summary of Rio Grande Statements (Details)
Note 4 - Investment In Associate - Investments Accounted for Using Equity Method (Details)
Note 5 - Marketable Securities - Schedule of Marketable Securities (Details)
Note 7 - Exploration and Evaluation Assets - Exploration Expenditures (Details)
Note 8 - Accounts Payable and Accrued Liabilities - Accounts Payable and Accrued Liabilities (Details)
Note 9 - Term Loans Payable - Short-term Loans Payable (Details)
ifrs-full_CashFlowsUsedInExplorationAndDevelopmentActivities
Exploration and evaluation expenditures
Note 10 - Capital Stock and Reserves - Stock Option Transactions (Details)
Note 10 - Capital Stock and Reserves - Fair Value of Stock Option Assumptions (Details)
Sale proceeds from investment
Note 10 - Capital Stock and Reserves - Restricted Share Unit Transactions (Details)
Description of accounting policy for exploration and evaluation expenditures [text block]
Note 10 - Capital Stock and Reserves - Summary of Warrant Transactions (Details)
Note 10 - Capital Stock and Reserves - Weighted Average Warrant Assumptions (Details)
Note 10 - Capital Stock and Reserves - Warrant Derivative Liability (Details)
Note 10 - Capital Stock and Reserves - Summary of Outstanding Warrants (Details)
Note 11 - Related Party Transactions - Transaction with Key Management Personnel (Details)
Note 11 - Related Party Transactions - Transaction Between Related Parties (Details)
Note 12 - Segmented Information - Geographic Information (Details)
Note 14 - Income Taxes - Components of Income Tax Provision (Details)
Note 14 - Income Taxes - Deferred Tax Assets and Liabilities (Details)
Note 14 - Income Taxes - Temporary Differences and Unused Tax Losses (Details)
Exploration and evaluation recoveries
Note 16 - Commitments - Flow Through Liability (Details)
Cash
Purchase of exploration and evaluation assets
Exploration and evaluation acquisition costs
Note 17 - Spin-out Transaction - Net Assets Transferred in Spinout Transaction (Details)
Notes To Financial Statements
Notes To Financial Statements [Abstract]
Description of accounting policy for foreign currency translation [text block]
Description of accounting policy for income tax [text block]
Description of accounting policy for investment in associates [text block]
fmst_PolicyTable
Promissory note interest received
CASH FLOWS FROM INVESTING ACTIVITIES
ifrs-full_CashFlowsFromUsedInOperatingActivities
Net cash used in operating activities
ifrs-full_PaymentsForExplorationAndEvaluationExpenses
Payments for exploration and evaluation expenses
Loss for the year
Loss and comprehensive loss for the year
Net Loss and Comprehensive Loss for the year
CASH FLOWS FROM OPERATING ACTIVITIES
Stock options expiring July 23, 2029 [member]
Related to stock options expiring on July 23, 2029.
Foremost promissory note [member]
Represents the Foremost Promissory Note.
Disclosure of trade and other payables [text block]
fmst_NumberOfOptionsToBeTransferredAndExchanged
Number of options to be transferred and exchanged
The number of options to be transferred and exchanged.
Agent warrants expiring August 19, 2024 [member]
Represents agent warrants expiring on August 19, 2024.
Barnard promissory note [member]
Represents the Bernard Promissory Note.
Rio Grande Resources Ltd [member]
Represents Rio Grande Resources Ltd.
ifrs-full_ExpenseFromSharebasedPaymentTransactionsInWhichGoodsOrServicesReceivedDidNotQualifyForRecognitionAsAssets
Expense from share-based payment transactions
Income (loss) before taxes for the year
Types of contracts [axis]
Foremost option 2 [member]
Represents the Foremost Option.
Share-based payments (Notes 10 and 11)
ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees
fmst_NumberOfOptionsReceivedInExchange
Number of options received in exchange (in shares)
The number of options received as the result of an exchange.
Foremost option [member]
Represents the Foremost Option.
Foremost RSU 1 [member]
Represents a Foremost RSU.
Accrued liabilities
Geographical areas [axis]
Foremost warrant ]member]
Represents the Foremost Warrant.
fmst_NumberOfUnitsToBeTransferredAndExchanged
Number of units to be transferred and exchanged
The number of units to be transferred and exchanged.
Other equity, exercisable
Rio Grande common share [member]
Represents the Rio Grande common share.
ifrs-full_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement
Other equity, number
Other equity, number
Foremost RSU [member]
Represents a Foremost RSU.
Disclosure of number and weighted average exercise prices of other equity instruments [text block]
ifrs-full_NumberOfOtherEquityInstrumentsExpiredInSharebasedPaymentArrangement
Other equity, forfeited / expired
ifrs-full_NumberOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement
Number of other equity instruments exercised or vested in share-based payment arrangement
Other equity, settled
Athabasca properties [member]
Represents the Athabasca properties.
ifrs-full_NumberOfOutstandingShareOptions
Share options, balance
Share options, balance
Weighted average number of common shares outstanding – basic and diluted (in shares)
fmst_RoyaltyPayablesNoncurrent
Royalty payable
The amount of royalty payables, noncurrent.
Value of shares received on spinout (Note 17)
Fair value of shares acquired resulting from a spin-out transaction
The fair value of shares acquired resulting from a spin-out transaction.
ifrs-full_NumberOfInstrumentsOrInterestsIssuedOrIssuable
Number of instruments or interests issued or issuable
ifrs-full_NumberOfShareOptionsExpiredInSharebasedPaymentArrangement
Number of share options expired in share-based payment arrangement
ifrs-full_CashTransferred
Cash transferred
ifrs-full_NumberOfShareOptionsExercisedInSharebasedPaymentArrangement
Number of share options exercised in share-based payment arrangement
Share options, exercised
ifrs-full_EquityInterestsOfAcquirer
Equity interests of acquirer
Share options, exercisable
Disclosure of number and weighted average exercise prices of share options [text block]
fmst_NoncurrentNotesPayable
Long-term notes payable
The amount of notes payable, classified as noncurrent.
ifrs-full_NumberOfInstrumentsGrantedInSharebasedPaymentArrangement
Number of instruments granted in share-based payment arrangement
fmst_TaxPenaltyPayableNoncurrent
Long-term tax penalty payable
The amount of tax penalty payable, classified as noncurrent.
ifrs-full_NumberOfShareOptionsForfeitedInSharebasedPaymentArrangement
Share options, forfeited
Share options, granted
Number of share options granted in share-based payment arrangement
Gain on spin-out transaction (Note 17)
Gain (loss) on spin-out transaction
Gain on spin-out transaction
The amount of gain/loss on a spin-out transaction.
Types of share-based payment arrangements [axis]
fmst_TaxPenaltiesAndInterest
Tax penalties and interest
Penalties and interest
The amount of tax penalty and interest incurred during the period.
Disclosure of share-based payment arrangements [text block]
Marketable securities (Note 5)
Balance
Balance
fmst_ExplorationAndEvaluationAssetsDivestedFromSpinoffTransaction
Spin-out
The amount of exploration and evaluation assets divested resulting from a spinoff transaction.
Fair value [member]
Represents the fair value per agent warrants.
Annualized volatility (based on historical volatility)
Hatchet Lake [member]
Represents Hatchet Lake.
Denison Mines Corp. [member]
Represents Denison Mines Corp.
Stock options expiring February 12, 2030 [member]
Represents information pertaining to stock options expiring February 12, 2030.
Disclosure of share capital, reserves and other equity interest [text block]
Stock options expiring February 12, 2030 2 [member]
Represents information pertaining to stock options expiring February 12, 2030.
Restricted share units granted in February 12, 2025 [member]
Represents information pertaining to restricted share units granted in February 12, 2025.
Foremost [member]
Represents Foremost.
Restricted share units granted in November 15, 2024 [member]
Represents information pertaining to restricted share units granted in November 15, 2024.
Key management personnel of entity or parent [member]
Disclosure of outstanding warrants [text block]
The disclosure of outstanding warrants.
fmst_IncreaseDecreaseInNumberOfSharesOutstandingAcquisitions
Increase (decrease) in number of shares outstanding, acquisitions (in shares)
The increase (decrease) in the number of shares outstanding from acquisitions.
Disclosure of geographical areas [text block]
Categories of related parties [axis]
Disclosure of net assets transferred in spin-out transactions [text block]
The entire tabular disclosure for net assets transferred in spin-out transactions.
ifrs-full_Liabilities
Total Liabilities
fmst_NetAssetsTransferredAtFairValue
Fair value of net assets transferred
Represents the amount of net assets transferred at fair value.
fmst_NetAssetsCarryingAmount
Carrying value of net assets
The amount of net assets at carrying amount.
Share purchase warrants expiring August 24, 2028 [member]
Represents information pertaining to share purchase warrants expiring August 24, 2028.
Incentive warrant [member]
Represents information pertaining to incentive warrants.
Disclosure of operating segments [text block]
fmst_SharebasedReservesReallocationToShareCapital
Share-based reserves, reallocation to share capital
The amount of share-based reserves reallocated to share capital.
fmst_SharesIssuedSettlementsOfOtherEquityInstruments
Shares issued, settlements of other equity instruments
The amount of shares issued from the settlements of other equity instruments.
Warrants readjusted from warrant incentive program [member]
Represents information pertaining to the warrants readjusted from the warrant incentive program.
Potential ordinary share transactions [member]
Major ordinary share transactions [member]
Major purchases of assets [member]
Share purchase warrants expiring November 14, 2026 [member]
Represents information pertaining to share purchase warrants expiring November 14, 2026.
Management and director fees (Note 11)
Share purchase warrants [member]
Represents information pertaining to share purchase warrants.
ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment
Current and former directors, officers and companies controlled by them
Disclosure of transactions between related parties [text block]
Transfer of net assets pursuant to spin-out
The amount of increase or decrease of net assets transferred pursuant to spin-out transactions.
Non-adjusting events after reporting period [axis]
ifrs-full_KeyManagementPersonnelCompensationShorttermEmployeeBenefits
Current and former directors, officers and companies controlled by them
Disclosure of related party [text block]
Disclosure of non-adjusting events after reporting period [text block]
fmst_ReversalOfSharebasedPayments
Reversal of share-based payments
The amount of reversal for share-based payments.
Disclosure of exploration and evaluation assets [text block]
ifrs-full_ExpenseArisingFromExplorationForAndEvaluationOfMineralResources
Expense arising from exploration for and evaluation of mineral resources
fmst_ChangeInFairValueOfDerivativeSpinoutTransaction
Change in fair value of derivative, spin-out transaction
The amount of change in fair value of a derivative from a spin-out transaction.
Interest rate
fmst_SpinoutTransactionPaymentsPerWarrantsExercised
Spin-out transaction, payments per warrants exercised (in CAD per share)
The amount of payment per warrant exercised in a spin-out transaction.
Disclosure of profit (loss) from operating activities [text block]
Expected life (years)
Dividend yield
Stock options expiring March 27, 2028 [member]
Represents information pertaining to stock options expiring March 27, 2028
fmst_NumberOfSharesIssuedDuringPeriod
Number of shares issued during period (in shares)
The amount of shares issued during the period.
Shares issued for RSU’s redeemed
Issue of equity, RSUs redeemed
The amount of issue of equity from RSUs redeemed.
Shares issued for RSU’s redeemed (in shares)
The amount of increase (decrease) in number of shares outstanding, shares issued from RSUs redeemed.
fmst_ExplorationAndEvaluationAssetsExplorationCostsDivestedFromSpinoffTransaction
Spin-out
The amount of exploration and evaluation assets divested resulting from a spinoff transaction classified as exploration costs.
Underwriter/agent warrants [member]
Represents the underwriter/agent warrants.
ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAccountReceivable
Receivables
Tranche 3 of private placement [member]
In reference to Tranche 3.
Share-based payments
Increase (decrease) through share-based payment transactions, equity
Shares issued
Issue of equity
ifrs-full_AdjustmentsForFinanceIncomeCost
Finance income on sublease
CANADA
Change in fair value of derivatives (Note 10)
Change in fair value of derivatives
Changes in equity [abstract]
Share purchase warrants expiring March 13, 2026 [member]
Represents information pertaining to share purchase warrants expiring March 13, 2026.
Prepaid expenses and mineral deposits
The amount of noncurrent prepaid expenses and deposits.
ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAndOtherPayables
Loan repayments
Consulting (Note 11)
The amount of consulting expense.
Share purchase warrants expiring March 31, 2028 [member]
Represents information pertaining to share purchase warrants expiring March 31, 2028.
Share purchase warrants expiring June 4, 2026 [member]
Represents information pertaining to share purchase warrants expiring June 4, 2026.
fmst_TechnicalCommitmentFees
Technical commitment fees
Amount of technical commitment fees.
Share purchase warrants expiring May 20, 2026 [member]
Represents information pertaining to share purchase warrants expiring May 20, 2026.
ifrs-full_AdjustmentsForInterestExpense
Interest expense
Share purchase warrants expiring May 23, 2026 [member]
Represents information pertaining to share purchase warrants expiring May 23, 2026.
Gain on long-term investment
Gain on long-term investment
The amount of gain (loss) on long-term investment.
Rio Grande [member]
Represents Rio Grande.
Rio grande promissory note [member]
The promissory note related to Rio Grande.
Recovery of flow-through premium liability
Recovery of flow-through premium liability
Recovery of flow-through premium liability (Notes 10 and 16)
The amount of recover of flow-through premium liability.
Transfer agent, listing and filing fees
Transfer agent and filing fees
The amount of transfer agent and filing fees.
ifrs-full_AdjustmentsForSharebasedPayments
Share-based payments
ifrs-full_EquityAndLiabilities
Total Liabilities and Shareholders’ Equity
Gain on sublease
The amount of gain (loss) on sublease.
Restricted share units granted in July 2, 2025 [member]
Represents information pertaining to restricted share units granted in July 2, 2025.
Foreign exchange loss
The amount of net foreign exchange gain (loss).
Restricted share units granted in October 27, 2025 [member]
Represents information pertaining to restricted share units granted in October 27, 2025.
Unit warrants expiring May 6, 2026 [member]
Represents unit warrants expiring May 6, 2026.
Item not affecting cash:
Agent warrants expiring March 31, 2026 [member]
This stands for agent warrants expiring March 31, 2026.
fmst_WriteoffOfExplorationPrepaidExpenses
Write-off of prepaid expenses
The amount of write-off of exploration prepaid expenses.
Agent warrants expiring March 31, 2028 [member]
This stands for agent warrants expiring March 31, 2028.
Unit Warrants expiring May 26, 2026 [member]
Represents unit warrants expiring May 26, 2026.
Unit Warrants expiring May 27, 2026 [member]
Represents unit warrants expiring May 27, 2026.
Unit Warrants expiring May 23, 2026 [member]
Represents unit warrants expiring May 23, 2026.
Reserves (Note 10)
Change in fair value of market securities (Note 10)
Unit Warrants expiring May 21, 2026 [member]
Represents unit warrants expiring May 21, 2026.
Unit Warrants expiring May 20, 2026 [member]
Represents unit warrants expiring May 20, 2026.
Deficit
Retained earnings
fmst_AmountOfFundsPaidFromCompletionOfArrangement
Amount of funds paid from completion of arrangement
Amount of funds paid toward the debt note upon the completion of the arrangement.
fmst_PrincipalRepaymentsOnBorrowings
Principal repayments on borrowings
Amount repaid to the principal amount on the borrowings.
Capital stock (Note 10)
Attribution of expenses by nature to their function [domain]
fmst_PercentOfFundsRequiredForTheDebtNoteUponCompletionOfArrangement
Percent of funds required for the debt note upon completion of arrangement
The percentage of funds that must be used to repay the debt not upon the completion of the arrangement.
Statement of financial position [abstract]
Unit warrants expiring March 31, 2028 [member]
Represents unit warrants expiring March 31, 2028.
Unit Warrants expiring June 4, 2026 [member]
Represents unit warrants expiring June 4, 2026.
Shareholders' Equity
fmst_ProceedsFromExerciseOfWarrantsDueToRelatedParty
Proceeds from exercise of warrants due to related party
The cash inflow from the exercise of share purchase warrants due to a related party.
Borrowings by name [domain]
fmst_IncreaseDecreaseThroughCashlessExerciseOfOptionsEquity
Increase (decrease) through cashless exercise of options, equity
The increase (decrease) in equity resulting from the cashless exercise of options.
Exercise of warrants
Proceeds from exercise of warrants, net
Net proceeds from exercise of warrants.
fmst_SharesIssuedSettlementOfOtherEquityInstruments
Shares issued, settlement of other equity instruments (in shares)
The amount of shares issued from the settlements of other equity instruments.
fmst_NumberOfShareOptionsExercisedCashlessInSharebasedPaymentArrangement
Number of share options exercised cashless in share-based payment arrangement (in shares)
The number of share options exercised cashless in a share-based payment arrangement.
Stock options expiring December 1, 2026 [member]
Represents stock options expiring December 1, 2026.
Stock options expiring February 12, 2030 1 [member]
Represents stock options expiring on February 12, 2030.
Warrants issued in non-brokered 2025 private placement [member]
Represents warrants issued in non-brokered 2025 private placement.
fmst_SharebasedCompensationNumberOfSharesAuthorizedPercentageOfIssuedAndOutstandingShares
Share-based compensation, number of shares authorized, percentage of issued and outstanding shares
Number of shares authorized for issuance under share-based payment arrangement expressed as a percentage of the total number of shares issued and outstanding.
Finder's warrants issued in 2026 private placement [member]
Represents finder's warrants issued in 2026 private placement.
Flow-through shares issued in 2025 non-brokered private placement [member]
The flow-through shares issued under the private placement agreement.
Warrants issued in 2026 private placement [member]
Represents warrants issued in 2026 private placement.
Shares issued for financing [member]
Represents shares issued for financing.
Flow-through shares issued in 2026 private placement [member]
Represents flow-through shares issued in 2026 private placement.
fmst_AdjustmentsForOtherIncome
Other income
Adjustments for other income to reconcile profit (loss) to net cash flow from (used in) operating activities.
fmst_GainLossOnInvestmentInAssociate
Gain on investment in associate
The amount of gain (loss) on an investment in an associate.
Gain on write off of loan
The amount of gain (loss) on the write off of a loan.
Gain on investment in marketable securities (Notes 4 and 5)
Gain (loss) on investment in marketable securities
The amount of gain (loss) on investments in marketable securities.
Restricted share units vesting on April 1, 2028 [member]
Relating to restricted share units vesting on April 1, 2028.
Gain on option settlement
Gain on option settlement
The amount of gain (loss) on option settlement.
Restricted share units vesting on April 1, 2026 [member]
Relating to restricted share units vesting on April 1, 2026.
Restricted share units vesting on April 1, 2027 [member]
Relating to restricted share units vesting on April 1, 2027.
Categories of related parties [domain]
Classes of financial assets [domain]
Reclassification – June 17, 2025, value
The total amount reclassified into financial assets.
Classes of entity's own equity instruments [domain]
Others
fmst_EvaluationAndExplorationAssetsAcquisitionCostsOthers
Amount of acquisition costs for evaluation and exploration assets classified as others.
Disclosure of marketable securities [text block]
The disclosure for marketable securities.
Classes of financial instruments [domain]
Reclassification – June 17, 2025 (in shares)
The increase (decrease) in the number of shares held as an investment.
fmst_MarketableSecurityTotalNumberOfSharesOutstanding
Marketable security, total number of shares outstanding (in shares)
The total number of shares outstanding for a marketable security.
Classes of assets [domain]
fmst_NumberOfSharesHeldAsInvestment
Balance (in shares)
Balance (in shares)
The number of shares held as an investment.
Finder's warrants issued in non-brokered 2025 private placement [member]
Represents finder's warrants issued in non-brokered 2025 private placement.
Options issued to directors and a consultant [member]
Represents options issued to directors and a consultant.
Incentive warrants expiring March 13, 2026 [member]
Represents incentive warrants that expire on March 13th, 2026.
Stock options expiring September 6, 2028 [member]
Represents stock options expiring September 6, 2028.
Classes of share capital [domain]
Shares issued in public offering [member]
Represents shares issued in public offering.
Secured loan payable on October 4, 2025 [member]
Represents a secured loan payable on October 4, 2025.
Options issued to officers [member]
Represents options issued to officers.
fmst_AdjustmentsForPrepaidExpensesAndDepositsExplorationAndEvaluationAssets
Adjustments for prepaid expenses and deposits, exploration and evaluation assets
The amount of adjustments for prepaid expenses and deposits related to exploration and evaluation assets.
Agent warrants expiring August 21, 2028 [member]
Represents agent warrants expiring August 21, 2028.
Survey
Amount of survey expense on exploration and evaluation assets.
Underwriter warrants [member]
Represents underwriter warrants.
Manitoba [member]
Represents Manitoba.
Stock options expiring September 6, 2026 [member]
Represents stock options expiring September 6, 2026.
Impairment
fmst_EvaluationAndExplorationAssetsAcquisitionCostsImpairment
Amount of acquisition costs for evaluation and exploration assets classified as impairment.
Stock options expiring August 25, 2026 [member]
Represents stock options expiring August 25, 2026.
Field work
Amount of expense for field work on exploration and evaluation assets.
Unit warrants expiring August 24, 2028 [member]
Represents unit warrants expiring August 24, 2028.
Accounts payable and accrued liabilities
The amount of adjustments for accounts payable and accrued liabilities.
Warrants issued in public offering [member]
Represents warrants issued in public offering.
fmst_AdjustmentsForPrepaidExpensesAndDeposits
Prepaid expenses and deposits
The amount of adjustments for prepaid expenses and deposits.
Incentive warrants expiring April 29, 2026 [member]
Represents the incentive warrants expiring on April 29, 2026.
Components of equity [domain]
Unit warrants expiring December 2, 2023 [member]
Represents unit warrants expiring December 2, 2023.
Counterparties [domain]
Finance income on sublease
Other income (Note 6)
ifrs-full_IncomeTaxExpenseContinuingOperations
Deferred income tax recovery
ifrs-full_ProfitLossFromOperatingActivities
Loss before other items
ifrs-full_IncreaseDecreaseInCashAndCashEquivalents
Change in cash for the year
Profit or loss [abstract]
fmst_ReceiptOfSubleasePayments
Receipt of sublease payments
The amount of receipt of sublease payments.
ifrs-full_IncreaseDecreaseThroughAcquisitionOfSubsidiary
Increase (decrease) through acquisition of subsidiary, equity
Shares issued for option exercise (Note 10)
Increase (decrease) through exercise of options, equity
Shares issued for warrant exercise (Note 10)
Increase (decrease) through exercise of warrants, equity
Subscriptions received in advance [member]
Related to subscriptions received in advance.
Shares issued for exploration and evaluation assets
Acquisition of exploration and evaluation assets
The amount of acquisition of exploration and evaluation assets.
Due from Rio Grande
ifrs-full_AmountsReceivableRelatedPartyTransactions
Subscription received in advance
The amount of proceeds from subscriptions received in advance.
ifrs-full_AmountsPayableRelatedPartyTransactions
Amounts payable, related party transactions
Due to current and former directors, officers and companies controlled by them
Shares issued (in shares)
Increase (decrease) in number of shares outstanding (in shares)
Flow-through premium liability (Notes 10 and 16)
The amount of flow-through premium liabilities, represented as current liabilities.
Transfer of cancelled/forfeited options
The amount of increase (decrease) through options expired and forfeited.
Shares issued for option exercise (Note 10) (in shares)
The amount of increase (decrease) in number of shares outstanding, shares issued, options exercised.
Dividend yield [member]
In reference to the dividend yield.
Shares issued for warrant exercise (Note 10) (in shares)
Increase (decrease) in number of shares outstanding, shares issued, warrants exercised (in shares)
The amount of Increase (decrease) in number of shares outstanding, shares issued from the exercise of warrants.
Fair value of option [member]
Represents the fair value of options.
fmst_IssueOfEquitySharesIssuedForServices
Issue of equity, shares issued for services
The amount of issue of equity from shares issued for services.
Investment in associate (Note 4)
Balance
Balance
Shares issued for exploration and evaluation assets (in shares)
Increase (decrease) in number of shares outstanding, acquisition of exploration and evaluation assets (in shares)
The amount of increase (decrease) in number of shares outstanding, acquisition of exploration and evaluation assets.
Sierra Gold & Silver Ltd. [member]
Related to Sierra Gold & Silver Ltd.
Agent warrants expiring March 13, 2026 [member]
In reference to agent warrants expiring March 13, 2026
Flow-through premium on private placements
The cost of flow-through premiums related to private placements
Subscriptions received in advance
The total amount of subscriptions received in advance related to equity.
Disclosure of nature and continuance of operations [text block]
The disclosure for nature and continuance of operations.
ifrs-full_IssueOfConvertibleInstruments
Derivative liability (Note 10)
fmst_CostOfIssuanceOfShares
Cost of issuance of shares
The cost related to the issuance of shares.
Unit warrants expiring March 13, 2026 [member]
Represents unit warrants that expire on March 13th, 2026.
Stock options expiring February 15, 2029 [member]
Represents the stock options that expire February 15, 2029.
Options issued to officer [member]
Represents the options for the officer.
fmst_CashFindersFeesPaid
Cash finder's fees paid
Represents the amount of cash finders fees paid.
fmst_WeightedAverageTradingPrice
Weighted average trading price (in CAD per share)
In reference to the volume weighted average trading price of shares at a given point in time.
ifrs-full_OtherCurrentAssets
Other current assets
fmst_IncreaseDecreaseInNumberOfSharesOutstandingSharesIssuedSharePurchaseFindersWarrants
Increase (decrease) in number of shares outstanding, shares issued, share purchase finders warrants (in shares)
In reference to the amount of share purchase finders warrants issued.
UNITED STATES
fmst_FindersFee
Finders fee
Cash paid for finders fee.
Non-flow-through units issued in private placement [member]
The non-flow-through units under the private placement agreement.
fmst_SharebasedCompensationNumberOfSharesAuthorized
Share-based compensation, number of shares authorized (in shares)
Number of shares authorized for issuance under share-based payment arrangement.
Unit warrants expiring April 29, 2026 [member]
Represents the unit warrants expiring on April 29, 2026.
Fair value of warrants outstanding (derivative liability)
Class of warrants or rights outstanding, value
Represents the value of the class of warrants or rights outstanding.
Tranche 2 of private placement [member]
In reference to Tranche 2.
Equity loss on investment in associate (Note 4)
Equity loss on investment in associate
Flow-through shares issued in private placement [member]
The flow-through shares issued under the private placement agreement.
The 2023 stock incentive plan [member]
Represents the 2023 Stock Incentive Plan.
fmst_LegalAndFilingFees
Legal and filing fees
Represents legal and filing fees.
Marketable securities [member]
Represents the marketable securities.
Share issue costs [member]
Represents the share issue costs.
Allowance capital losses [member]
Represents the allowance capital losses.
Finders warrants [member]
Represents the finders warrants.
Fair Value of each warrant at valuation date (in dollars per share)
Represents the price at valuation date of a warrant or right.
Agent warrants expiring April 29, 2026 [member]
Represents agent warrants expiring on April 29, 2026.
fmst_TemporaryDifferencesExpirationRange
Temporary differences, expiry range
The expiration date for the temporary differences.
Temporary differences
The cost of temporary differences.
Disclosure of derecognition of financial assets and financial liabilities [text block]
The entire disclosure for the derecognition of financial assets and financial liabilities.
Impairment of financial assets at amortized cost [text block]
The entire disclosure for the impairment of financial assets at amortized cost.
Tranche 1 of private placement [member]
In reference to Tranche 1
Non-capital losses available for future period [member]
Represents non-capital losses available for future period.
Derivative liability (Note 10)
Long term derivative liability
Impact of spin-out transaction
Represents the tax effect of a spin out transaction.
fmst_PaymentsToSpinOutSubsidiary
Cash held by spun out subsidiary
Represents the cash outflow to spin out subsidiary.
ifrs-full_NetAssetsLiabilities
Net assets
Investment in associate [member]
Relating to investment in associate.
Disclosure of valuation of equity units issued in private placements [text block]
The entire disclosure for the valuation of equity units issued in private placements.
Diluted loss per common share (in CAD per share)
Disclosure of share issue costs [text block]
The entire disclosure for share-based payment arrangements.
Geographical areas [domain]
Disclosure of new accounting standards issued and effective [text block]
The description of the disclosure of new accounting standards issued and effective.
Deferred gain on spin-out transaction (Note 17)
Deferred gain on spin out transaction
Represents the value of deferred gain on spin out transaction as of balance sheet date.
Disclosure of flow-through shares [text block]
The entire disclosure of flow-through shares.
Basic loss per common share (in CAD per share)
fmst_ClassOfWarrantAndRightExercisableExercisePrice
Class of warrant and right, exercisable, exercise price (in CAD per share)
Represents the exercise price of exercisable warrants and rights at period end.
fmst_WarrantsIssuedFairValue
Warrants issued, fair value
Represents the fair value of warrants issued during the period.
Option modification [member]
Relating to option modification.
Share options, exercise price (in CAD per share)
ifrs-full_ExercisePriceOfOutstandingShareOptions2019
Exercise price of outstanding share options (in CAD per share)
fmst_NetSmelterRoyaltyReturnPercentage
Net Smelter Royalty Return Percentage
Percentage of net smelter royalty return.
Office, insurance and miscellaneous
Peg North property [member]
Represents Peg North Property.
Grass river property [member]
Represents Grass River Property.
fmst_OptionAgreementNetSmelterRoyaltyPercentage
Option agreement, net smelter royalty percentage
Percentage of net smelter royalty in option agreement.
Stock options expiring March 26, 2026 [member]
Represents the stock options expiring march 26, 2026.
fmst_OptionAgreementCashPayment
Option agreement, cash payment
Amount of cash payment for option agreement.
Jean Lake and Zoro Lithium properties [member]
Represents Jean Lake and Zoro Lithium properties.
Jean lake property [member]
Represents Jean Lake Property.
Winston property [member]
Represents Winston Property.
ifrs-full_GainsLossesOnFinancialLiabilitiesAtFairValueThroughProfitOrLoss
Total gains (losses) on financial liabilities at fair value through profit or loss
Disclosure of accounting judgements and estimates [text block]
Property, plant and equipment [member]
Disclosure of detailed information about exploration expenditures [text block]
Disclosure of detailed information about exploration expenditures.
Travel
fmst_ExplorationAndEvaluationAssetsExplorationCostsIncurred
Balance
Balance
Amount of exploration costs incurred on exploration and evaluation assets.
fmst_ExplorationAndEvaluationAssetsAcquisitionCosts
Balance
Balance
Amount of acquisition costs incurred on exploration and evaluation assets.
fmst_GovernmentGrantAgreement
Government grant agreement
Amount of government grant agreement.
Professional fees
Jol Lithium property [member]
represents Jol Lithium Property.
fmst_ExplorationAndEvaluationAssetsCostRecovery
Exploration cost recovery
Amount of cost recovery on exploration and evaluation assets.
Geological, consulting, and other
Amount of expense for geological and consulting on exploration and evaluation assets.
fmst_WriteoffOfTradePayables
Write-off of trade payables
Amount of write-off of trade payables.
Disclosure of acquired receivables [text block]
fmst_GainLossOnForgivenessOfDebt
Gain (loss) on forgiveness of debt
Amount of gain (loss) on forgiveness of debt.
Shares
Increase (decrease) for purchase of evaluation and exploration assets
Amount fo increase (decrease) in equity for purchase of evaluation and exploration assets.
fmst_ExplorationAndEvaluationAssetsAcquisitionAndExplorationCostsIncurred
Total Balance
Amount of acquisition and exploration costs incurred on exploration and evaluation assets.
Drilling
Amount of expense of drilling on exploration and evaluation assets.
EXPENSES
Assay
Amount of expense for assay on exploration and evaluation assets.
Disclosure of detailed information about trade payable and accrued liabilities [text block]
Disclosure of detailed information about trade payables and accrued liabilities.
Disclosure of short-term loans payable [text block]
Disclosure of short-term loans payable.
Cash paid for interest and taxes
Amount of interest and taxes paid.
fmst_ExtinguishmentOfDebtAmount1
Extinguishment of debt, amount 1
Amount of debt extinguished.
Loan payable on demand, unsecured with 10% interest per annum and no fixed term [member]
Represents Loan payable on demand, unsecured with 10% interest per annum and no fixed term.
Classes of assets [axis]
Disclosure of detailed information about short-term loans payable [text block]
Disclosure of detailed information about short-term loans payable.
Loan agreement with related party [member]
Represents loan agreement with a related party.
Disclosure of detailed information about income tax provision [text block]
Disclosure of detailed information about income tax provision.
Share issue costs
The amount that represents the difference between the tax expense (income) and the product of the accounting profit multiplied by the applicable tax rate(s) that relates to share issue cost. [Refer: Accounting profit]
Impact of flow-through shares
The amount that represents the difference between the tax expense (income) and the product of the accounting profit multiplied by the applicable tax rate(s) that relates to flow through share. [Refer: Accounting profit]
Change in fair value of derivatives
Lac Simard South property [member]
Represents Lac Simard South property.
fmst_NumberOfReportableOperatingSegments
Number of reportable operating segments
The number of reportable operating segments.
fmst_PaymentsForShareIssueCostsNet
Share issue costs, paid in cash
The cash outflow for share issue costs, including cash and accounts payable.
Investor relations and marketing
Cumulative exploration and development expenses [member]
Represents Cumulative exploration and development expenses.
Exploration and evaluation assets (Note 7)
ifrs-full_TangibleExplorationAndEvaluationAssets
Long-term exploration assets
Canada 1 [member]
Represents Canada.
Change in unrecognized deductible temporary differences
The amount that represents the difference between the tax expense (income) and the product of the accounting profit multiplied by the applicable tax rate(s) that relates to tax benefit not realized. [Refer: Accounting profit]
Adjustment to prior year’s provision versus statutory tax returns and expiry of non-capital losses
The amount that represents the difference between the tax expense (income) and the product of the accounting profit multiplied by the applicable tax rate(s) that relates to adjustment to prior years provision versus statutory tax returns and expiry of non-capital losses. [Refer: Accounting profit]
Trading securities [member]
Classes of entity's own equity instruments [axis]
Non-capital losses [member]
Represents non-capital losses.
Statement of cash flows [abstract]
Historical volatility for shares, measurement input [member]
Classes of financial assets [axis]
fmst_IncreaseInNumberOfSharesOutstandingExerciseOfWarrants
Increase in number of shares outstanding, exercise of warrants (in shares)
The increase (decrease) in the number of shares outstanding from the exercise of warrants.
Classes of financial instruments [axis]
Non-adjusting events after reporting period [domain]
fmst_IncreaseDecreaseInNumberOfSharesOutstandingExplorationAndEvaluationAssetsOptionAgreement
Increase (decrease) in number of shares outstanding, exploration and evaluation assets option agreement (in shares)
The increase (decrease) in the number of shares outstanding for option agreements under exploration and evaluation assets.
Due to related parties
fmst_SharesIssuedPricePerShare1
Shares issued, price per share 1 (in CAD per share)
Per share or per unit price of shares issued.
Trade payables
Receivables
fmst_IncreaseDecreaseInEquityEvaluationAndExplorationAssetsOptionAgreement
Increase (decrease) in equity, evaluation and exploration assets option agreement
Amount of increase (decrease) in equity for option agreements under evaluation and exploration assets.
fmst_ClassOfWarrantOrRightGranted
Class of warrant or right, granted (in shares)
The number of warrants or rights granted in period.
fmst_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights
Class of warrant or right, exercise price of warrants or rights (in CAD per share)
Exercise price per share or per unit of warrants or rights outstanding.
fmst_ClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight1
Class of warrant or right, number of securities called by each warrant or right (in shares)
Number of securities into which each warrant or right may be converted. For example, but not limited to, each warrant may be converted into two shares.
fmst_NumberOfWarrantsPerUnit
Number of warrants per unit (in shares)
The number of warrants per unit.
Warrants issued in non-brokered private placement [member]
Represents warrants issued in non-brokered private placement.
ifrs-full_InterestExpenseOnBorrowings
Interest expense on borrowings
fmst_WarrantsAndRightsOutstandingTerm1
Warrants and rights outstanding, term (Year)
Period between issuance and expiration of outstanding warrant and right embodying unconditional obligation requiring redemption by transferring asset at specified or determinable date or upon event certain to occur, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.
fmst_NumberOfCommonSharesPerUnit
Number of common shares per unit (in shares)
The number of common shares per unit.
fmst_IncreaseDecreaseInNumberOfSharesOutstandingSharebasedPaymentTransactions
Increase (decrease) in number of shares outstanding, share-based payment transactions (in shares)
the increase (decrease) in the number of shares outstanding from share-based payment transactions.
ifrs-full_InterestExpense
Interest expense (Note 9)
fmst_IncreaseDecreaseInNumberOfSharesOutstandingIssuedForServices
Increase (decrease) in number of shares outstanding, issued for services (in shares)
The increase (decrease) in the number of shares outstanding from issuance of shares for services.
fmst_FlowthroughExplorationCommitmentsFulfilled
Flow-through exploration commitments fulfilled
Amount of flow-through exploration commitments fulfilled.
fmst_FlowthroughPremiumLiability
Flow-through premium liability
Balance, opening
Balance, closing
Amount of flow-through premium liability.
fmst_SharebasedPaymentArrangementOptionsFairValue
Share-based payment arrangement, options, fair value
Amount of fair value of options in share based payment arrangement.
Management Personnel [member]
This member stands for management personnel.
Disclosure of transaction with key management personnel [text block]
The disclosure of transaction with key management personnel.
Range [domain]
fmst_SharebasedPaymentArrangementAwardVestingPeriod
Share-based payment arrangement, award vesting period (Year)
Period for vesting of award under share-based payment arrangement.
Options issued to consultant one [member]
Represents first issuance of options to consultant.
Disclosure of financial instruments [text block]
Consulting Personnel [member]
This member stands for consulting personnel.
Disclosure of basis of preparation of financial statements [text block]
Disclosure of financial risk management [text block]
fmst_AdjustmentsForIncreaseDecreaseInAccountsPayableAndAccruedLiabilities
Adjustments for increase (decrease) in accounts payable and accrued liabilities
Adjustments for increase (decrease) in accounts payable and accrued liabilities to reconcile profit (loss) to net cash flow from (used in) operating activities.
Gain on forgiveness of debt (Note 8)
Gain on forgiveness of debt
Option expired or forfeited [member]
represents option expired or forfeited.
fmst_NumberOfShareOptionsForfeitedOrExpiredInSharebasedPaymentArrangement
Number of share options forfeited or expired in share-based payment arrangement (in shares)
Number of share options forfeited or expired in share-based payment arrangement
Agent warrants [member]
This stands for agent warrants.
Disclosure of detailed information about warrant transactions [text block]
The disclosure of detailed information about warrant transactions.
Options issued to consultant three [member]
Represents third issuance of options to consultant.
Options issued to consultant two [member]
Represents second issuance of options to consultant.
fmst_ClassOfWarrantOrRightGrantedValue
Class of warrant or right, granted, value
Value of class of warrant or right granted in period.
options issued to consultant four [member]
Represents fourth issuance of options to consultant.
Issued, number of warrants (in shares)
Issued, number of warrants (in shares)
The number of warrants or rights granted during the period.
fmst_WeightedAverageExercisePriceOfWarrantsOrRights
Balances, warrants, weighted average exercise price (in CAD per share)
Balances, warrants, weighted average exercise price (in CAD per share)
Exercise price per share or per unit of warrants or rights outstanding.
Classes of property, plant and equipment [axis]
fmst_ClassOfWarrantOrRightExercisedDuringPeriod
Class of warrant or right, exercised during period (in shares)
Exercised, number of warrants (in shares)
Number of warrants or rights exercised during the period.
Warrant premium on private placements
Represents the amount of warrant premium on a private placement.
Warrants, exercise price (in CAD per share)
Exercise price per share or per unit of warrants or rights outstanding.
Warrants outstanding (in shares)
Number of warrants outstanding (in shares)
Class of warrant or right outstanding 1 (in shares)
Balances, number of warrants (in shares)
Balances, number of warrants (in shares)
Number of warrants or rights outstanding.
Agent warrants expiring July 19, 2024 [member]
This stands for agent warrants expiring July 19, 2024.
fmst_LongTermPrepaidExplorationAndEvaluation
Long term prepaid exploration and evaluation
Represents the amount of long term prepaid exploration and evaluation.
Cancelled, warrants, weighted average exercise price (in CAD per share)
Exercise price of warrant or right cancelled.
Attribution of expenses by nature to their function [axis]
Weighted average remaining life (years) (Year)
fmst_ClassOfWarrantsOrRightWeightedAverageRemainingLife
The weighted average remaining life of class of warrants or right outstanding.
fmst_ClassOfWarrantOrRightCancelled
Cancelled, number of warrants (in shares)
The number of warrants or rights cancelled.
Subsidiaries [domain]
Exercised, warrants, weighted average exercise price (in CAD per share)
Class of warrant or right, exercised, exercise price (in CAD per share)
Exercise price of warrant or right exercised.
Associates [domain]
Manitoba Grant [Member]
Relating to the Manitoba grant.
Issued, warrants, weighted average exercise price (in CAD per share)
Exercise price of warrants or rights granted.
ifrs-full_InterestCostsIncurred
Interest costs incurred
Stock options expiring November 20, 2025 [member]
Related to stock options.
Classes of share capital [axis]
Stock options expiring September 6, 2025 [member]
Related to stock options.
Stock options expiring December 13, 2025 [member]
Related to stock options.
Stock options expiring December 2, 2025 [member]
Related to stock options.
Stock options expiring March 8, 2025 [member]
Related to stock options.
Stock options expiring March 1, 2024 [member]
Related to stock options.
Disclosure of government grants [text block]
Stock options expiring September 2, 2025 [member]
Related to stock options.
Exchange rate
Temporary difference, unused tax losses and unused tax credits [domain]
Stock options expiring February 16, 2027 [member]
Related to stock options.
Stock options expiring January 15, 2026 [member]
Related to stock options.
Retained earnings [member]
Types of contracts [domain]
fmst_CommitmentToIncurExpenses
Commitment to incur expenses
Represents a commitment to incur expenses.
fmst_WarrantPremium
Warrant premium
Represents the amount of warrant premium.
Stock options expiring November 1, 2026 [member]
Related to stock options.
fmst_AllowanceAccountForCreditLossesOfFinancialAssetsAtEndOfPeriod
Allowance account for credit losses of financial assets at end of period
Amount of allowance account for credit losses on financial assets.
Unit warrants [member]
This stands for unit warrants.
Impairment of exploration and evaluation assets
Impairment of exploration and evaluation assets (Note 7)
Types of share-based payment arrangements [domain]
Document Type
Net operating losses available for future period [member]
Represents net operating losses available for future period.
Document Information [Line Items]
Document Annual Report
Unobservable inputs [domain]
Document Information [Table]
fmst_QualifyingCee
Qualifying CEE
Amount of qualifying CEE.
Disclosure of indirect measurement of fair value of warrants granted during period [text block]
The disclosure of information about indirect, by reference to the fair value of the warrant granted, measurement of the fair value of goods or services received as consideration for the entity's share options.
Document Registration Statement
Entity Interactive Data Current
Exercise Price [member]
Represents exercise price.
Document Transition Report
Components of equity [axis]
Document Financial Statement Error Correction [Flag]
Issued capital [member]
Document Shell Company Report
Expected life [member]
Represents expected life.
fmst_MarketTargetPriceShareOptionsGranted
Market target price, share options granted (in CAD per share)
The market target price of share options granted.
Warrants expired
Represents the increase (decrease) in equity from warrant expirations.
Disclosure of impairment of assets [text block]
fmst_RepaymentsOfCurrentBorrowingInterest
Repayments of current borrowing interest
The cash outflow for repayments of current borrowings interest.
Share issue costs, paid in finder’s warrants
Represents the amount of warrants issued for share issue costs.
Document Accounting Standard
fmst_SharebasedArrangementPaymentReserveForfeited
Share-based arrangement, payment reserve, forfeited
The amount of payment reserve forfeited under share-based arrangement.
fmst_PaymentsForExtinguishmentOfDebt
Payments for extinguishment of debt
Represents the cash outflow for extinguishment of debt.
Change in statutory, foreign tax, foreign exchange rates and other
Second nonbrokered private placement [member]
Relating to second nonbrokered private placement.
Finders and advisory fees [member]
Relating to finders and advisory fees.
Options issued to a director, officer, and consultant [member]
Relating to options issued to a director, officer, and consultant.
Options issued to directors and officers [member]
Relating to options issued to directors and officers.
Restricted share units vesting on resignation [member]
Relating to restricted share units vesting on resignation.
Expected income tax recovery based on above rates
Tranche 2 of second private placement [member]
Relating to the second tranche of the second private placement.
fmst_NumberOfUnvestedStockOptionsOutstanding
Number of unvested stock options outstanding (in shares)
Represents the number of unvested stock options outstanding.
Tranche 3 of second private placement [member]
Relating to the third tranche of second private placement.
ICFR Auditor Attestation Flag
fmst_NumberOfOtherEquityInstrumentsVestedInSharebasedPaymentArrangement
Number of other equity instruments vested in share-based payment arrangement
The number of other equity instruments (ie other than share options) vested in a share-based payment arrangement
Stock options expiring November 15, 2029 [member]
Relating to stock options expiring November 15, 2029.
Interest rate, measurement input [member]
Document Fiscal Period Focus
Document Fiscal Year Focus
fmst_ShareOptionsVestingDuration
Share options, vesting duration (Year)
The vesting duration of share options.
Warrants expiring November 14, 2026 [member]
Relating to warrants expiring November 14, 2026.
Amendment Flag
fmst_NumberOfShareOptionsVestedUnderSharebasedArrangements
Number of share options vested under share-based arrangements (in shares)
The number of share options vested under share-based arrangements.
Stock options expiring April 1, 2029 [member]
Relating to stock options expiring April 1, 2029.
Other temporary differences [member]
Disclosure of cash flow statement [text block]
Stock options expiring November 15, 2027 [member]
Relating to stock options expiring November 15, 2027.
fmst_NumberOfWarrantsIssuedDuringThePeriod
Number of warrants issued during the period (in shares)
The number of warrants issued during the period.
Disclosure of temporary difference, unused tax losses and unused tax credits [text block]
Common shares [member]
Related to common shares.
Agent warrants expiring November 14, 2026 [member]
Relating to agent warrants expiring November 14, 2026.
Temporary difference, unused tax losses and unused tax credits [axis]
Disclosure of spin out transaction [text block]
The disclosure of spin out transaction.
Document Period End Date
Addition
Represents the additions to flow through premium liability.
Disclosure of flow through liability [text block]
disclosure of the company's flow through liability.
ifrs-full_SharesInEntityHeldByEntityOrByItsSubsidiariesOrAssociates
Number of shares in entity held by entity or by its subsidiaries or associates (in shares)
Exercise price (in CAD per share)
The exercise price of share options granted.
Legal Entity [Axis]
Canadian federal and provincial income tax rates
Current and former directors, officers and companies controlled by them [member]
Related to current and former directors, officers and companies controlled by them.
ifrs-full_NumberOfSharesOutstanding
Balance (in shares)
Balance (in shares)
ifrs-full_CashAndCashEquivalents
Cash, beginning of year
Cash, end of year
Disclosure of income tax [text block]
ifrs-full_NumberOfSharesIssued
Number of shares issued (in shares)
ifrs-full_Assets
Total Assets
Other equity, granted
Number of other equity instruments granted in share-based payment arrangement
Entity [Domain]
Permanent difference
The amount of tax effect of expense (income) not deductible in determining taxable profit (tax loss).
Entity Central Index Key
Entity Registrant Name
ifrs-full_WeightedAverageFairValueAtMeasurementDateOtherEquityInstrumentsGranted
Weighted average fair value at measurement date, other equity instruments granted
Entity Well-known Seasoned Issuer
Disclosure of commitments [text block]
Fair value per option
Entity Current Reporting Status
Entity Voluntary Filers
Entity Incorporation, State or Country Code
Disclosure of material accounting policy information [text block]
Current Fiscal Year End Date
ifrs-full_Equity
Total equity
Total Shareholders’ Equity
Balance
Balance
Disclosure of indirect measurement of fair value of goods or services received, share options granted during period [text block]
ifrs-full_CurrentAssets
Current assets
Entity Ex Transition Period
Entity Filer Category
Entity Shell Company
Entity Emerging Growth Company
Current ASSETS
Disclosure of reconciliation of summarised financial information of associate accounted for using equity method to carrying amount of interest in associate [text block]
Promissory notes receivable (Note 6)
ifrs-full_FairValueOfInvestmentsInAssociatesWherePriceQuotationsPublished
Fair value of investments in associates for which there are quoted market prices
Address Type [Domain]
Entity Addresses, Address Type [Axis]
Non-Current ASSETS
Business Contact [Member]
Loss from operations
Entity Address, State or Province
Entity Address, City or Town
ifrs-full_ProportionOfOwnershipInterestInAssociate
Proportion of ownership interest in associate
Associates [axis]
Counterparties [axis]
Contact Personnel Name
Entity Address, Address Line One
Exploration and evaluation assets
City Area Code
Local Phone Number
Entity Address, Postal Zip Code
ifrs-full_CurrentLiabilities
Current liabilities
Entity Address, Country
Title of 12(b) Security
Security Exchange Name
Assumptions
Trading Symbol
Entity Common Stock, Shares Outstanding
Unobservable inputs [axis]
ifrs-full_ProportionOfVotingPowerHeldInSubsidiary
Proportion of voting rights held in subsidiary
Subsidiaries [axis]
Restricted share units vesting on April 25, 2025 or on resignation [member]
Relating to restricted share units vesting on April 25, 2025 or on resignation.
ifrs-full_NotesAndOtherExplanatoryInformationAbstract
Notes to Financial Statements
Weighted average exercise price, exercisable (in CAD per share)
Disclosure of contingent liabilities [text block]
ifrs-full_WeightedAverageExercisePriceOfShareOptionsGrantedInSharebasedPaymentArrangement2019
Weighted average exercise price of share options granted in share-based payment arrangement (in CAD per share)
Weighted average exercise price, forfeited (in CAD per share)
Weighted average exercise price, exercised (in CAD per share)
Weighted average remaining life (years) (Year)
ifrs-full_WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement2019
Weighted average exercise price, balance (in CAD per share)
Weighted average exercise price, balance (in CAD per share)
ifrs-full_ProceedsFromExerciseOfWarrants
Proceeds from exercise of warrants
Accounts payable and accrued liabilities (Notes 8 and 11)
ifrs-full_TradeAndOtherCurrentPayables
Trade and other current payables
Short-term accounts payable and accrued liabilities
Current LIABILITIES
Prepaid expenses
Auditor Firm ID
ifrs-full_Borrowings
Borrowings
Auditor Name
Geographical [Domain]
Auditor Location
Geographical [Axis]
Restricted share units [member]
Total term loans payable
Term loans payable (Note 9)
Borrowings by name [axis]
ifrs-full_BorrowingsInterestRate
Borrowings, interest rate
Bottom of range [member]
Disclosure of interests in associates [text block]
Options issued to director [Member]
Represents options issued to director.
Stock Options Expiring November 14, 2024 [Member]
Represents stock options expiring November 14, 2024.
Stock Options Expiring December 4, 2026 [Member]
Represents stock options expiring December 4, 2026.
ifrs-full_CapitalCommitments
Capital commitments
Capital reserve [member]
ifrs-full_DecreaseThroughDerecognitionFinancialAssets
Decrease through derecognition, financial assets
Derecognition of investment to profit and loss due to loss of significant influence
Cash
ifrs-full_Cash
Cash
ifrs-full_DeferredTaxLiabilityAsset
Deferred tax (assets) liabilities)
Disclosure of deferred taxes [text block]
Award Timing MNPI Disclosure [Text Block]
ecd_AwardTmgMnpiCnsdrdFlag
Award Timing MNPI Considered [Flag]
ifrs-full_CashFlowsFromUsedInFinancingActivities
Net cash provided by financing activities
ifrs-full_PaymentsForShareIssueCosts
Payments for share issue costs
Share issue costs
ifrs-full_DerivativeFinancialLiabilities
Derivative financial liabilities
Short-term loan repaid
Exercise of options
Proceeds from exercise of options
ecd_Rule10b51ArrTrmntdFlag
Rule 10b5-1 Arrangement Terminated [Flag]
ecd_Rule10b51ArrAdoptedFlag
Rule 10b5-1 Arrangement Adopted [Flag]