| Line |
Label |
Object Class |
Period Type |
Balance |
Report ElementName |
| 1 |
000 - Document - Document And Entity Information |
Network |
* |
* |
http://almadenminerals.com/20181231/role/statement-document-and-entity-information |
| 2 |
Document Information [Table] |
Table |
* |
* |
dei:DocumentInformationTable |
| 3 |
Legal Entity [Axis] |
Axis |
|
|
dei:LegalEntityAxis |
| 4 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
| 5 |
Document Information [Line Items] |
LineItems |
|
|
dei:DocumentInformationLineItems |
| 6 |
Entity Registrant Name |
Concept (Text/String) |
For Period |
|
dei:EntityRegistrantName |
| 7 |
Entity Central Index Key |
Concept (CIK Number) |
For Period |
|
dei:EntityCentralIndexKey |
| 8 |
Trading Symbol |
Concept (Text/String) |
For Period |
|
dei:TradingSymbol |
| 9 |
Current Fiscal Year End Date |
Concept (Month/Day) |
For Period |
|
dei:CurrentFiscalYearEndDate |
| 10 |
Entity Filer Category |
Concept (Filer Category) |
For Period |
|
dei:EntityFilerCategory |
| 11 |
Entity Current Reporting Status |
Concept (Yes/No) |
For Period |
|
dei:EntityCurrentReportingStatus |
| 12 |
Entity Voluntary Filers |
Concept (Yes/No) |
For Period |
|
dei:EntityVoluntaryFilers |
| 13 |
Entity Well-known Seasoned Issuer |
Concept (Yes/No) |
For Period |
|
dei:EntityWellKnownSeasonedIssuer |
| 14 |
Entity Emerging Growth Company |
Concept (Yes/No) |
For Period |
|
dei:EntityEmergingGrowthCompany |
| 15 |
Entity Small Business |
Concept (Yes/No) |
For Period |
|
dei:EntitySmallBusiness |
| 16 |
Entity Common Stock, Shares Outstanding (in shares) |
Concept (Shares) |
As Of |
|
dei:EntityCommonStockSharesOutstanding |
| 17 |
Document Type |
Concept (Submission Type) |
For Period |
|
dei:DocumentType |
| 18 |
Document Period End Date |
Concept (Date) |
For Period |
|
dei:DocumentPeriodEndDate |
| 19 |
Document Fiscal Year Focus |
Concept (Year) |
For Period |
|
dei:DocumentFiscalYearFocus |
| 20 |
Document Fiscal Period Focus |
Concept (Fiscal Period) |
For Period |
|
dei:DocumentFiscalPeriodFocus |
| 21 |
Amendment Flag |
Concept (Yes/No) |
For Period |
|
dei:AmendmentFlag |
| 22 |
Entity Shell Company |
Concept (Yes/No) |
For Period |
|
dei:EntityShellCompany |
| 23 |
Entity Ex Transition Period |
Concept (Yes/No) |
For Period |
|
dei:EntityExTransitionPeriod |
| 24 |
001 - Statement - Consolidated Statements of Financial Position |
Network |
* |
* |
http://almadenminerals.com/20181231/role/statement-consolidated-statements-of-financial-position |
| 25 |
Statement Table [Table] |
Table |
* |
* |
aau:StatementTable |
| 26 |
Legal Entity [Axis] |
Axis |
|
|
dei:LegalEntityAxis |
| 27 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
| 28 |
Statement Line Items [Line Items] |
LineItems |
|
|
aau:StatementLineItems |
| 29 |
Current assets: |
Abstract |
|
|
ifrs-full:CurrentAssetsAbstract |
| 30 |
Cash and cash equivalents (Note 11) |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CashAndCashEquivalents |
| 31 |
Accounts receivable and prepaid expenses (Note 4) |
Concept (Monetary) |
As Of |
Debit |
aau:CurrentTradeReceivablesAndPrepaidExpenses |
| 32 |
Total current assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CurrentAssets |
| 33 |
Non-current assets: |
Abstract |
|
|
ifrs-full:NoncurrentAssetsAbstract |
| 34 |
Deposit on mill equipment (Note 5) |
Concept (Monetary) |
As Of |
Debit |
aau:DepositsOnEquipment |
| 35 |
Property, plant and equipment (Note 6) |
Concept (Monetary) |
As Of |
Debit |
aau:PropertyPlantAndEquipmentExcludingDepositsOnEquipmentAndExplorationAndEvaluationAssets |
| 36 |
Exploration and evaluation assets (Note 7) |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:TangibleExplorationAndEvaluationAssets |
| 37 |
Total non-current assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:NoncurrentAssets |
| 38 |
TOTAL ASSETS |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:Assets |
| 39 |
Current liabilities: |
Abstract |
|
|
ifrs-full:CurrentLiabilitiesAbstract |
| 40 |
Trade and other payables (Note 9 (b)) |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:TradeAndOtherCurrentPayables |
| 41 |
Non-current liabilities: |
Abstract |
|
|
ifrs-full:NoncurrentLiabilitiesAbstract |
| 42 |
Deferred income tax liability (Note 12) |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:DeferredTaxLiabilityAsset |
| 43 |
Total liabilities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Liabilities |
| 44 |
EQUITY |
Abstract |
|
|
ifrs-full:EquityAbstract |
| 45 |
Share capital (Note 8) |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:IssuedCapital |
| 46 |
Reserves (Note 8) |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:CapitalReserve |
| 47 |
Deficit |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:RetainedEarnings |
| 48 |
Total equity |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Equity |
| 49 |
TOTAL EQUITY AND LIABILITIES |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:EquityAndLiabilities |
| 50 |
002 - Statement - Consolidated Statements of Comprehensive Loss |
Network |
* |
* |
http://almadenminerals.com/20181231/role/statement-consolidated-statements-of-comprehensive-loss- |
| 51 |
Statement Table [Table] |
Table |
* |
* |
aau:StatementTable |
| 52 |
Legal Entity [Axis] |
Axis |
|
|
dei:LegalEntityAxis |
| 53 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
| 54 |
Statement Line Items [Line Items] |
LineItems |
|
|
aau:StatementLineItems |
| 55 |
Expenses |
Abstract |
|
|
ifrs-full:ExpenseByNatureAbstract |
| 56 |
Professional fees |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ProfessionalFeesExpense |
| 57 |
Salaries and benefits (Note 9(a)) |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:EmployeeBenefitsExpense |
| 58 |
Travel and promotion |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:TravelExpense |
| 59 |
Depreciation (Note 6) |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:DepreciationExpense |
| 60 |
Office and license (Note 9(b)) |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:SellingGeneralAndAdministrativeExpense |
| 61 |
Rent (Note 9(b)) |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:RentalExpense |
| 62 |
Stock exchange fees |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:BrokerageFeeExpense |
| 63 |
Insurance |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:InsuranceExpense |
| 64 |
Transfer agent fees |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:OtherFeeAndCommissionExpense |
| 65 |
Directors’ fees (Note 9(a)) |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:DirectorsRemunerationExpense |
| 66 |
General exploration expenses |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ExpenseArisingFromExplorationForAndEvaluationOfMineralResources |
| 67 |
Share-based payments (Note 8(d) and 9(a)) |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ExpenseFromSharebasedPaymentTransactionsWithEmployees |
| 68 |
Total Expenses |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ExpenseByNature |
| 69 |
Other income (loss) |
Abstract |
|
|
aau:OtherIncomeLossAbstract |
| 70 |
Interest and other income (Note 9(b)) |
Concept (Monetary) |
For Period |
Credit |
aau:InterestAndOtherIncome |
| 71 |
Loss on sale of property, plant and equipment (Note 6) |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:GainsLossesOnDisposalsOfPropertyPlantAndEquipment |
| 72 |
Foreign exchange gain (loss) |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss |
| 73 |
Total other income (loss) |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:OtherIncome |
| 74 |
Loss before income taxes |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLossBeforeTax |
| 75 |
Deferred income tax recovery (Note 12) |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:IncomeTaxExpenseContinuingOperations |
| 76 |
Net loss for the year |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLossFromContinuingOperations |
| 77 |
Total comprehensive loss for the year |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ComprehensiveIncome |
| 78 |
Basic and diluted net loss per share (Note 10) (in CAD per share) |
Concept (Share) |
For Period |
|
ifrs-full:BasicAndDilutedEarningsLossPerShare |
| 79 |
003 - Statement - Consolidated Statements of Cash Flows |
Network |
* |
* |
http://almadenminerals.com/20181231/role/statement-consolidated-statements-of-cash-flows |
| 80 |
Statement Table [Table] |
Table |
* |
* |
aau:StatementTable |
| 81 |
Legal Entity [Axis] |
Axis |
|
|
dei:LegalEntityAxis |
| 82 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
| 83 |
Statement Line Items [Line Items] |
LineItems |
|
|
aau:StatementLineItems |
| 84 |
Operating activities |
Abstract |
|
|
ifrs-full:CashFlowsFromUsedInOperatingActivitiesAbstract |
| 85 |
Net loss for the year |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLossFromContinuingOperations |
| 86 |
Items not affecting cash |
Abstract |
|
|
ifrs-full:AdjustmentsForReconcileProfitLossAbstract |
| 87 |
Depreciation |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdjustmentsForDepreciationExpense |
| 88 |
Unrealized foreign exchange |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdjustmentsForUnrealisedForeignExchangeLossesGains |
| 89 |
Loss on disposal of property, plant and equipment |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:GainsLossesOnDisposalsOfPropertyPlantAndEquipment |
| 90 |
Share-based payments |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ExpenseFromSharebasedPaymentTransactionsWithEmployees |
| 91 |
Accounts receivable and prepaid expenses |
Concept (Monetary) |
For Period |
Debit |
aau:AdjustmentsForDecreaseIncreaseInTradeAccountsReceivableAndPrepaidExpenses |
| 92 |
Trade and other payables |
Concept (Monetary) |
For Period |
Debit |
aau:AdjustmentsForIncreaseDecreaseInTradeAccountsPayableAndOtherOperatingPayable |
| 93 |
Net cash used in operating activities |
Concept (Monetary) |
For Period |
|
ifrs-full:CashFlowsFromUsedInOperatingActivities |
| 94 |
Investing activities |
Abstract |
|
|
ifrs-full:CashFlowsFromUsedInInvestingActivitiesAbstract |
| 95 |
Deposits on mill equipment |
Concept (Monetary) |
For Period |
Credit |
aau:PaymentsForPurchaseObligationsForEquipment |
| 96 |
Property, plant and equipment – purchase |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities |
| 97 |
Exploration and evaluation assets – costs |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:PurchaseOfExplorationAndEvaluationAssets |
| 98 |
Net cash used in investing activities |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:CashFlowsFromUsedInInvestingActivities |
| 99 |
Financing activities |
Abstract |
|
|
ifrs-full:CashFlowsFromUsedInFinancingActivitiesAbstract |
| 100 |
Issuance of shares, net of share issue costs |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ProceedsFromIssuingShares |
| 101 |
Options exercised |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ProceedsFromExerciseOfOptions |
| 102 |
Share issuance cost on cashless exercise of options (Note 8(d)) |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:PaymentsForShareIssueCosts |
| 103 |
Warrants and finders’ warrants exercised |
Concept (Monetary) |
For Period |
Debit |
aau:ProceedsFromExerciseWarrants |
| 104 |
Net cash from financing activities |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:CashFlowsFromUsedInFinancingActivities |
| 105 |
Change in cash and cash equivalents |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:IncreaseDecreaseInCashAndCashEquivalents |
| 106 |
Cash and cash equivalents, beginning of year |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CashAndCashEquivalents |
| 107 |
Cash and cash equivalents, end of year |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CashAndCashEquivalents |
| 108 |
004 - Statement - Consolidated Statements of Changes in Equity |
Network |
* |
* |
http://almadenminerals.com/20181231/role/statement-consolidated-statements-of-changes-in-equity- |
| 109 |
Statement Table [Table] |
Table |
* |
* |
aau:StatementTable |
| 110 |
Components of equity [axis] |
Axis |
|
|
ifrs-full:ComponentsOfEquityAxis |
| 111 |
Equity [member] |
Member |
|
|
ifrs-full:EquityMember |
| 112 |
Issued capital [member] |
Member |
|
|
ifrs-full:IssuedCapitalMember |
| 113 |
Reserve of share-based payments [member] |
Member |
|
|
ifrs-full:ReserveOfSharebasedPaymentsMember |
| 114 |
Warrants [member] |
Member |
|
|
aau:WarrantsMember |
| 115 |
Total reserves [member] |
Member |
|
|
aau:TotalReservesMember |
| 116 |
Retained earnings [member] |
Member |
|
|
ifrs-full:RetainedEarningsMember |
| 117 |
Statement Line Items [Line Items] |
LineItems |
|
|
aau:StatementLineItems |
| 118 |
Balance (in shares) |
Concept (Shares) |
As Of |
|
aau:EquitySharesOutstanding |
| 119 |
Balance |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Equity |
| 120 |
Share-based payments |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:IncreaseDecreaseThroughSharebasedPaymentTransactions |
| 121 |
Private placements, net (in shares) |
Concept (Shares) |
For Period |
|
aau:EquityIssuedPrivatePlacement |
| 122 |
Private placements, net |
Concept (Monetary) |
For Period |
Credit |
aau:IssueOfEquityPrivatePlacement |
| 123 |
Finders' warrants issued pursuant to private placement |
Concept (Monetary) |
For Period |
Credit |
aau:FindersWarrantsIssuedInPrivatePlacement |
| 124 |
Shares issued for cash on exercise of finders’ warrants (in shares) |
Concept (Shares) |
For Period |
|
aau:EquityIssuedFindersWarrantsExercised |
| 125 |
Shares issued for cash on exercise of finders’ warrants |
Concept (Monetary) |
For Period |
Credit |
aau:IncreaseDecreaseThroughExerciseOfFindersWarrantsEquity |
| 126 |
Fair value of finders’ warrants transferred to share capital |
Concept (Monetary) |
For Period |
Credit |
aau:FairValueOfFindersWarrantsTransferredToShareCapitalOnExerciseOfFindersWarrants |
| 127 |
Shares issued for cash on exercise of warrants (in shares) |
Concept (Shares) |
For Period |
|
aau:EquityIssuedWarrantsExercised |
| 128 |
Shares issued for cash on exercise of warrants |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:IncreaseDecreaseThroughExerciseOfWarrantsEquity |
| 129 |
Shares issued for cash on exercise of stock options (in shares) |
Concept (Shares) |
For Period |
|
aau:EquityIssuedStockOptionsExercised |
| 130 |
Shares issued for cash on exercise of stock options |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:IncreaseDecreaseThroughExerciseOfOptions |
| 131 |
Fair value of cash stock options transferred to share capital |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:IncreaseDecreaseInFairValueMeasurementEntitysOwnEquityInstruments |
| 132 |
Shares issued on cashless exercise of stock options (in shares) |
Concept (Shares) |
For Period |
|
aau:EquityIssuedCashlessExerciseOfStockOptions |
| 133 |
Shares issued on cashless exercise of stock options |
Concept (Monetary) |
For Period |
Credit |
aau:IncreaseDecreaseThroughTheCashlessExerciseOfOptionsEquity |
| 134 |
Fair value of cashless stock options transferred to share capital |
Concept (Monetary) |
For Period |
Credit |
aau:FairValueOfCashlessStockOptionsTransferredToShareCapitalOnExerciseOfOptions |
| 135 |
Total comprehensive loss for the year |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ComprehensiveIncome |
| 136 |
Shares issuance cost on cashless exercise of options |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ShareIssueRelatedCost |
| 137 |
Balance (in shares) |
Concept (Shares) |
As Of |
|
aau:EquitySharesOutstanding |
| 138 |
Balance |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Equity |
| 139 |
005 - Disclosure - Note 1 - Nature of Operations |
Network |
* |
* |
http://almadenminerals.com/20181231/role/statement-note-1-nature-of-operations |
| 140 |
Statement Table [Table] |
Table |
* |
* |
aau:StatementTable |
| 141 |
Legal Entity [Axis] |
Axis |
|
|
dei:LegalEntityAxis |
| 142 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
| 143 |
Statement Line Items [Line Items] |
LineItems |
|
|
aau:StatementLineItems |
| 144 |
Disclosure of basis of consolidation [text block] |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfBasisOfConsolidationExplanatory |
| 145 |
006 - Disclosure - Note 2 - Basis of Presentation |
Network |
* |
* |
http://almadenminerals.com/20181231/role/statement-note-2-basis-of-presentation |
| 146 |
Statement Table [Table] |
Table |
* |
* |
aau:StatementTable |
| 147 |
Legal Entity [Axis] |
Axis |
|
|
dei:LegalEntityAxis |
| 148 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
| 149 |
Statement Line Items [Line Items] |
LineItems |
|
|
aau:StatementLineItems |
| 150 |
Disclosure of basis of preparation of financial statements [text block] |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory |
| 151 |
007 - Disclosure - Note 3 - Significant Accounting Policies |
Network |
* |
* |
http://almadenminerals.com/20181231/role/statement-note-3-significant-accounting-policies |
| 152 |
Statement Table [Table] |
Table |
* |
* |
aau:StatementTable |
| 153 |
Non-adjusting events after reporting period [axis] |
Axis |
|
|
ifrs-full:NonadjustingEventsAfterReportingPeriodAxis |
| 154 |
Non-adjusting events after reporting period [member] |
Member |
|
|
ifrs-full:NonadjustingEventsMember |
| 155 |
Adoption of new accounting policy [member] |
Member |
|
|
aau:AdoptionOfNewAccountingPolicyMember |
| 156 |
Legal Entity [Axis] |
Axis |
|
|
dei:LegalEntityAxis |
| 157 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
| 158 |
Statement Line Items [Line Items] |
LineItems |
|
|
aau:StatementLineItems |
| 159 |
Disclosure of significant accounting policies [text block] |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfSummaryOfSignificantAccountingPoliciesExplanatory |
| 160 |
008 - Disclosure - Note 4 - Accounts Receivable and Prepaid Expenses |
Network |
* |
* |
http://almadenminerals.com/20181231/role/statement-note-4-accounts-receivable-and-prepaid-expenses |
| 161 |
Statement Table [Table] |
Table |
* |
* |
aau:StatementTable |
| 162 |
Legal Entity [Axis] |
Axis |
|
|
dei:LegalEntityAxis |
| 163 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
| 164 |
Statement Line Items [Line Items] |
LineItems |
|
|
aau:StatementLineItems |
| 165 |
Disclosure of accounts receivable and prepaid expenses [text block] |
Concept (Text Block (HTML)) |
For Period |
|
aau:DisclosureOfAccountsReceivableAndPrepaidExpensesTextBlock |
| 166 |
009 - Disclosure - Note 5 - Deposit on Mill Equipment |
Network |
* |
* |
http://almadenminerals.com/20181231/role/statement-note-5-deposit-on-mill-equipment |
| 167 |
Statement Table [Table] |
Table |
* |
* |
aau:StatementTable |
| 168 |
Classes of property, plant and equipment [axis] |
Axis |
|
|
ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis |
| 169 |
Property, plant and equipment [member] |
Member |
|
|
ifrs-full:PropertyPlantAndEquipmentMember |
| 170 |
Rock Creek Mill [member] |
Member |
|
|
aau:RockCreekMillMember |
| 171 |
Non-adjusting events after reporting period [axis] |
Axis |
|
|
ifrs-full:NonadjustingEventsAfterReportingPeriodAxis |
| 172 |
Non-adjusting events after reporting period [member] |
Member |
|
|
ifrs-full:NonadjustingEventsMember |
| 173 |
Major purchases of assets [member] |
Member |
|
|
ifrs-full:MajorPurchasesOfAssetsMember |
| 174 |
Legal Entity [Axis] |
Axis |
|
|
dei:LegalEntityAxis |
| 175 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
| 176 |
Statement Line Items [Line Items] |
LineItems |
|
|
aau:StatementLineItems |
| 177 |
Disclosure of transactions recognised separately from acquisition of assets and assumption of liabilities in business combination [text block] |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfTransactionsRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombinationExplanatory |
| 178 |
010 - Disclosure - Note 6 - Property, Plant and Equipment |
Network |
* |
* |
http://almadenminerals.com/20181231/role/statement-note-6-property-plant-and-equipment |
| 179 |
Statement Table [Table] |
Table |
* |
* |
aau:StatementTable |
| 180 |
Classes of property, plant and equipment [axis] |
Axis |
|
|
ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis |
| 181 |
Property, plant and equipment [member] |
Member |
|
|
ifrs-full:PropertyPlantAndEquipmentMember |
| 182 |
Mill Equipment [member] |
Member |
|
|
aau:MillEquipmentMember |
| 183 |
Container costs [member] |
Member |
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aau:ContainerCostsMember |
| 184 |
Crane [member] |
Member |
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aau:CraneMember |
| 185 |
Legal Entity [Axis] |
Axis |
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dei:LegalEntityAxis |
| 186 |
Entity [Domain] |
Member |
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dei:EntityDomain |
| 187 |
Statement Line Items [Line Items] |
LineItems |
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aau:StatementLineItems |
| 188 |
Disclosure of property, plant and equipment [text block] |
Concept (Text Block (HTML)) |
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ifrs-full:DisclosureOfPropertyPlantAndEquipmentExplanatory |
| 189 |
011 - Disclosure - Note 7 - Exploration and Evaluation Assets |
Network |
* |
* |
http://almadenminerals.com/20181231/role/statement-note-7-exploration-and-evaluation-assets |
| 190 |
Statement Table [Table] |
Table |
* |
* |
aau:StatementTable |
| 191 |
Classes of property, plant and equipment [axis] |
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ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis |
| 192 |
Property, plant and equipment [member] |
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ifrs-full:PropertyPlantAndEquipmentMember |
| 193 |
Tuligtic property in Puebla, Mexico [member |
Member |
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aau:TuligticPropertyInPueblaMexicoMember |
| 194 |
Logan property located in the Yukon Territory, Canada [member] |
Member |
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aau:LoganPropertyLocatedInTheYukonTerritoryCanadaMember |
| 195 |
Legal Entity [Axis] |
Axis |
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dei:LegalEntityAxis |
| 196 |
Entity [Domain] |
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dei:EntityDomain |
| 197 |
Statement Line Items [Line Items] |
LineItems |
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aau:StatementLineItems |
| 198 |
Disclosure of exploration and evaluation assets [text block] |
Concept (Text Block (HTML)) |
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ifrs-full:DisclosureOfExplorationAndEvaluationAssetsExplanatory |
| 199 |
012 - Disclosure - Note 8 - Share Capital and Reserves |
Network |
* |
* |
http://almadenminerals.com/20181231/role/statement-note-8-share-capital-and-reserves |
| 200 |
Statement Table [Table] |
Table |
* |
* |
aau:StatementTable |
| 201 |
Classes of financial instruments [axis] |
Axis |
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ifrs-full:ClassesOfFinancialInstrumentsAxis |
| 202 |
Financial instruments, class [member] |
Member |
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ifrs-full:ClassesOfFinancialInstrumentsMember |
| 203 |
Warrants [member] |
Member |
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aau:WarrantsMember |
| 204 |
Finders' warrants [member] |
Member |
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aau:FindersWarrantsMember |
| 205 |
Stock options expiring December 11, 2018 [member] |
Member |
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aau:StockOptionsExpiringDecember112018Member |
| 206 |
Stock options expiring January 6, 2017 [member] |
Member |
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aau:StockOptionsExpiringJanuary62017Member |
| 207 |
Stock options expiring August 26, 2017 [member] |
Member |
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aau:StockOptionsExpiringAugust262017Member |
| 208 |
First set of stock options expiring December 11, 2018 [member] |
Member |
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aau:FirstSetOfStockOptionsExpiringDecember112018Member |
| 209 |
Range [axis] |
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ifrs-full:RangeAxis |
| 210 |
Ranges [member] |
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ifrs-full:RangesMember |
| 211 |
Top of range [member] |
Member |
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ifrs-full:TopOfRangeMember |
| 212 |
Classes of ordinary shares [axis] |
Axis |
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ifrs-full:ClassesOfOrdinarySharesAxis |
| 213 |
Ordinary shares [member] |
Member |
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ifrs-full:OrdinarySharesMember |
| 214 |
Common shares issued in a cashless transaction [member] |
Member |
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aau:CommonSharesIssuedInACashlessTransactionMember |
| 215 |
Legal Entity [Axis] |
Axis |
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dei:LegalEntityAxis |
| 216 |
Entity [Domain] |
Member |
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dei:EntityDomain |
| 217 |
Statement Line Items [Line Items] |
LineItems |
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aau:StatementLineItems |
| 218 |
Disclosure of share capital, reserves and other equity interest [text block] |
Concept (Text Block (HTML)) |
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ifrs-full:DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory |
| 219 |
013 - Disclosure - Note 9 - Related Party Transactions and Balances |
Network |
* |
* |
http://almadenminerals.com/20181231/role/statement-note-9-related-party-transactions-and-balances |
| 220 |
Statement Table [Table] |
Table |
* |
* |
aau:StatementTable |
| 221 |
Categories of related parties [axis] |
Axis |
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ifrs-full:CategoriesOfRelatedPartiesAxis |
| 222 |
Entity's total for related parties [member] |
Member |
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ifrs-full:EntitysTotalForRelatedPartiesMember |
| 223 |
Almadex [member] |
Member |
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aau:AlmadexMember |
| 224 |
Company controlled by a director [member] |
Member |
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aau:CompanyControlledByADirectorMember |
| 225 |
Azucar [member] |
Member |
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aau:AzucarMember |
| 226 |
Chairman's daughter [member] |
Member |
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aau:ChairmansDaughterMember |
| 227 |
Classes of property, plant and equipment [axis] |
Axis |
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ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis |
| 228 |
Property, plant and equipment [member] |
Member |
|
|
ifrs-full:PropertyPlantAndEquipmentMember |
| 229 |
Drill equipment [member] |
Member |
|
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aau:DrillEquipmentMember |
| 230 |
Legal Entity [Axis] |
Axis |
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dei:LegalEntityAxis |
| 231 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
| 232 |
Statement Line Items [Line Items] |
LineItems |
|
|
aau:StatementLineItems |
| 233 |
Disclosure of transactions between related parties [text block] |
Concept (Text Block (HTML)) |
For Period |
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ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesExplanatory |
| 234 |
014 - Disclosure - Note 10 - Net Loss Per Share |
Network |
* |
* |
http://almadenminerals.com/20181231/role/statement-note-10-net-loss-per-share |
| 235 |
Statement Table [Table] |
Table |
* |
* |
aau:StatementTable |
| 236 |
Legal Entity [Axis] |
Axis |
|
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dei:LegalEntityAxis |
| 237 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
| 238 |
Statement Line Items [Line Items] |
LineItems |
|
|
aau:StatementLineItems |
| 239 |
Disclosure of earnings per share [text block] |
Concept (Text Block (HTML)) |
For Period |
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ifrs-full:DisclosureOfEarningsPerShareExplanatory |
| 240 |
015 - Disclosure - Note 11 - Supplemental Cash Flow Information |
Network |
* |
* |
http://almadenminerals.com/20181231/role/statement-note-11-supplemental-cash-flow-information- |
| 241 |
Statement Table [Table] |
Table |
* |
* |
aau:StatementTable |
| 242 |
Legal Entity [Axis] |
Axis |
|
|
dei:LegalEntityAxis |
| 243 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
| 244 |
Statement Line Items [Line Items] |
LineItems |
|
|
aau:StatementLineItems |
| 245 |
Disclosure of supplemental cash flow information [text block] |
Concept (Text Block (HTML)) |
For Period |
|
aau:DisclosureOfSupplementalCashFlowInformationTextBlock |
| 246 |
016 - Disclosure - Note 12 - Income Taxes |
Network |
* |
* |
http://almadenminerals.com/20181231/role/statement-note-12-income-taxes |
| 247 |
Statement Table [Table] |
Table |
* |
* |
aau:StatementTable |
| 248 |
Geographical areas [axis] |
Axis |
|
|
ifrs-full:GeographicalAreasAxis |
| 249 |
Geographical areas [member] |
Member |
|
|
ifrs-full:GeographicalAreasMember |
| 250 |
British Columbia [member] |
Member |
|
|
aau:BritishColumbiaMember |
| 251 |
Federal and Provincial British Columbia [member] |
Member |
|
|
aau:FederalAndProvincialBritishColumbiaMember |
| 252 |
Geographical [Axis] |
Axis |
|
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srt:StatementGeographicalAxis |
| 253 |
Geographical [Domain] |
Member |
|
|
srt:SegmentGeographicalDomain |
| 254 |
CANADA |
Member |
|
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country:CA |
| 255 |
MEXICO |
Member |
|
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country:MX |
| 256 |
Legal Entity [Axis] |
Axis |
|
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dei:LegalEntityAxis |
| 257 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
| 258 |
Statement Line Items [Line Items] |
LineItems |
|
|
aau:StatementLineItems |
| 259 |
Disclosure of income tax [text block] |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfIncomeTaxExplanatory |
| 260 |
017 - Disclosure - Note 13 - Commitments |
Network |
* |
* |
http://almadenminerals.com/20181231/role/statement-note-13-commitments |
| 261 |
Statement Table [Table] |
Table |
* |
* |
aau:StatementTable |
| 262 |
Legal Entity [Axis] |
Axis |
|
|
dei:LegalEntityAxis |
| 263 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
| 264 |
Statement Line Items [Line Items] |
LineItems |
|
|
aau:StatementLineItems |
| 265 |
Disclosure of commitments [text block] |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfCommitmentsExplanatory |
| 266 |
018 - Disclosure - Note 14 - Financial Instruments |
Network |
* |
* |
http://almadenminerals.com/20181231/role/statement-note-14-financial-instruments |
| 267 |
Statement Table [Table] |
Table |
* |
* |
aau:StatementTable |
| 268 |
Legal Entity [Axis] |
Axis |
|
|
dei:LegalEntityAxis |
| 269 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
| 270 |
Statement Line Items [Line Items] |
LineItems |
|
|
aau:StatementLineItems |
| 271 |
Disclosure of financial instruments [text block] |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfFinancialInstrumentsExplanatory |
| 272 |
019 - Disclosure - Note 15 - Management of Capital |
Network |
* |
* |
http://almadenminerals.com/20181231/role/statement-note-15-management-of-capital- |
| 273 |
Statement Table [Table] |
Table |
* |
* |
aau:StatementTable |
| 274 |
Legal Entity [Axis] |
Axis |
|
|
dei:LegalEntityAxis |
| 275 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
| 276 |
Statement Line Items [Line Items] |
LineItems |
|
|
aau:StatementLineItems |
| 277 |
Disclosure of objectives, policies and processes for managing capital [text block] |
Concept (Text Block (HTML)) |
For Period |
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ifrs-full:DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalExplanatory |
| 278 |
020 - Disclosure - Note 16 - Segmented Information |
Network |
* |
* |
http://almadenminerals.com/20181231/role/statement-note-16-segmented-information |
| 279 |
Statement Table [Table] |
Table |
* |
* |
aau:StatementTable |
| 280 |
Legal Entity [Axis] |
Axis |
|
|
dei:LegalEntityAxis |
| 281 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
| 282 |
Statement Line Items [Line Items] |
LineItems |
|
|
aau:StatementLineItems |
| 283 |
Disclosure of operating segments [text block] |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfOperatingSegmentsExplanatory |
| 284 |
021 - Disclosure - Note 17 - Subsequent Events |
Network |
* |
* |
http://almadenminerals.com/20181231/role/statement-note-17-subsequent-events |
| 285 |
Statement Table [Table] |
Table |
* |
* |
aau:StatementTable |
| 286 |
Categories of related parties [axis] |
Axis |
|
|
ifrs-full:CategoriesOfRelatedPartiesAxis |
| 287 |
Entity's total for related parties [member] |
Member |
|
|
ifrs-full:EntitysTotalForRelatedPartiesMember |
| 288 |
Consultant, officers, and directors [member] |
Member |
|
|
aau:ConsultantOfficersAndDirectorsMember |
| 289 |
Non-adjusting events after reporting period [axis] |
Axis |
|
|
ifrs-full:NonadjustingEventsAfterReportingPeriodAxis |
| 290 |
Non-adjusting events after reporting period [member] |
Member |
|
|
ifrs-full:NonadjustingEventsMember |
| 291 |
Major stock option transactions [member] |
Member |
|
|
aau:MajorStockOptionTransactionsMember |
| 292 |
Potential ordinary share transactions [member] |
Member |
|
|
ifrs-full:PotentialOrdinaryShareTransactionsMember |
| 293 |
Legal Entity [Axis] |
Axis |
|
|
dei:LegalEntityAxis |
| 294 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
| 295 |
Statement Line Items [Line Items] |
LineItems |
|
|
aau:StatementLineItems |
| 296 |
Disclosure of events after reporting period [text block] |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfEventsAfterReportingPeriodExplanatory |
| 297 |
022 - Disclosure - Significant Accounting Policies (Policies) |
Network |
* |
* |
http://almadenminerals.com/20181231/role/statement-significant-accounting-policies-policies |
| 298 |
Statement Table [Table] |
Table |
* |
* |
aau:StatementTable |
| 299 |
Legal Entity [Axis] |
Axis |
|
|
dei:LegalEntityAxis |
| 300 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
| 301 |
Statement Line Items [Line Items] |
LineItems |
|
|
aau:StatementLineItems |
| 302 |
Discloure of Significant Accounting Policies |
Abstract |
|
|
aau:DisclosureOfSignificantAccountingPoliciesAbstract |
| 303 |
Description of accounting policy for basis of consolidation [text block] |
Concept (Text Block (HTML)) |
For Period |
|
aau:DescriptionOfAccountingPolicyForBasisOfConsolidationTextBlock |
| 304 |
Description of accounting policy for foreign currency translation [text block] |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory |
| 305 |
Description of accounting policy for financial instruments [text block] |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForFinancialInstrumentsExplanatory |
| 306 |
Description of accounting policy for determining components of cash and cash equivalents [text block] |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyToDetermineComponentsOfCashAndCashEquivalents |
| 307 |
Description of accounting policy for property, plant and equipment [text block] |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory |
| 308 |
Description of accounting policy for exploration and evaluation expenditures [text block] |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForExplorationAndEvaluationExpenditures |
| 309 |
Description of accounting policy for impairment of assets [text block] |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForImpairmentOfAssetsExplanatory |
| 310 |
Description of accounting policy for income tax [text block] |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForIncomeTaxExplanatory |
| 311 |
Description of accounting policy for share-based payment transactions [text block] |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory |
| 312 |
Description of accounting policy for capital shares [text block] |
Concept (Text Block (HTML)) |
For Period |
|
aau:DescriptionOfAccountingPolicyForCapitalSharesTextBlock |
| 313 |
Description of accounting policy for reclamation and closure cost obligations [text block] |
Concept (Text Block (HTML)) |
For Period |
|
aau:DescriptionOfAccountingPolicyForReclamationAndClosureCostObligationsTextBlock |
| 314 |
Description of accounting policy for earnings per share [text block] |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForEarningsPerShareExplanatory |
| 315 |
Description of accounting policy for new and revised accounting standards effective at the begging of the year [text block] |
Concept (Text Block (HTML)) |
For Period |
|
aau:DescriptionOfAccountingPolicyForNewAndRevisedAccountingStandardsEffectiveAtTheBeggingOfTheYearTextBlock |
| 316 |
Description of accounting policy for new accounting standards [text block] |
Concept (Text Block (HTML)) |
For Period |
|
aau:DescriptionOfAccountingPolicyForNewAccountingStandardsTextBlock |
| 317 |
023 - Disclosure - Note 3 - Significant Accounting Policies (Tables) |
Network |
* |
* |
http://almadenminerals.com/20181231/role/statement-note-3-significant-accounting-policies-tables |
| 318 |
Statement Table [Table] |
Table |
* |
* |
aau:StatementTable |
| 319 |
Legal Entity [Axis] |
Axis |
|
|
dei:LegalEntityAxis |
| 320 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
| 321 |
Statement Line Items [Line Items] |
LineItems |
|
|
aau:StatementLineItems |
| 322 |
Disclosure of property, plant and equipment depreciation rate [text block] |
Concept (Text Block (HTML)) |
For Period |
|
aau:DisclosureOfPropertyPlantAndEquipmentDepreciationRateTextBlock |
| 323 |
024 - Disclosure - Note 4 - Accounts Receivable and Prepaid Expenses (Tables) |
Network |
* |
* |
http://almadenminerals.com/20181231/role/statement-note-4-accounts-receivable-and-prepaid-expenses-tables |
| 324 |
Statement Table [Table] |
Table |
* |
* |
aau:StatementTable |
| 325 |
Legal Entity [Axis] |
Axis |
|
|
dei:LegalEntityAxis |
| 326 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
| 327 |
Statement Line Items [Line Items] |
LineItems |
|
|
aau:StatementLineItems |
| 328 |
Disclosure of accounts receivable and prepaid expense [text block] |
Concept (Text Block (HTML)) |
For Period |
|
aau:DisclosureOfAccountsReceivableAndPrepaidExpenseTextBlock |
| 329 |
025 - Disclosure - Note 5 - Deposit on Mill Equipment (Tables) |
Network |
* |
* |
http://almadenminerals.com/20181231/role/statement-note-5-deposit-on-mill-equipment-tables |
| 330 |
Statement Table [Table] |
Table |
* |
* |
aau:StatementTable |
| 331 |
Legal Entity [Axis] |
Axis |
|
|
dei:LegalEntityAxis |
| 332 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
| 333 |
Statement Line Items [Line Items] |
LineItems |
|
|
aau:StatementLineItems |
| 334 |
Disclosure of option payments [text block] |
Concept (Text Block (HTML)) |
For Period |
|
aau:DisclosureOfOptionPaymentsTextBlock |
| 335 |
026 - Disclosure - Note 6 - Property, Plant and Equipment (Tables) |
Network |
* |
* |
http://almadenminerals.com/20181231/role/statement-note-6-property-plant-and-equipment-tables |
| 336 |
Statement Table [Table] |
Table |
* |
* |
aau:StatementTable |
| 337 |
Legal Entity [Axis] |
Axis |
|
|
dei:LegalEntityAxis |
| 338 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
| 339 |
Statement Line Items [Line Items] |
LineItems |
|
|
aau:StatementLineItems |
| 340 |
Disclosure of detailed information about property, plant and equipment [text block] |
Concept (Text Block (HTML)) |
For Period |
|
aau:DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentTextBlock |
| 341 |
027 - Disclosure - Note 7 - Exploration and Evaluation Assets (Tables) |
Network |
* |
* |
http://almadenminerals.com/20181231/role/statement-note-7-exploration-and-evaluation-assets-tables |
| 342 |
Statement Table [Table] |
Table |
* |
* |
aau:StatementTable |
| 343 |
Legal Entity [Axis] |
Axis |
|
|
dei:LegalEntityAxis |
| 344 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
| 345 |
Statement Line Items [Line Items] |
LineItems |
|
|
aau:StatementLineItems |
| 346 |
Disclosure of exploration and evaluation asset [text block] |
Concept (Text Block (HTML)) |
For Period |
|
aau:DisclosureOfExplorationAndEvaluationAssetTextBlock |
| 347 |
028 - Disclosure - Note 8 - Share Capital and Reserves (Tables) |
Network |
* |
* |
http://almadenminerals.com/20181231/role/statement-note-8-share-capital-and-reserves-tables |
| 348 |
Statement Table [Table] |
Table |
* |
* |
aau:StatementTable |
| 349 |
Legal Entity [Axis] |
Axis |
|
|
dei:LegalEntityAxis |
| 350 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
| 351 |
Statement Line Items [Line Items] |
LineItems |
|
|
aau:StatementLineItems |
| 352 |
Disclosure of number and weighted average exercise prices of other equity instruments [text block] |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfNumberAndWeightedAverageExercisePricesOfOtherEquityInstrumentsExplanatory |
| 353 |
Disclosure of indirect measurement of fair value of goods or services received, other equity instruments granted during period [text block] |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfIndirectMeasurementOfFairValueOfGoodsOrServicesReceivedOtherEquityInstrumentsGrantedDuringPeriodExplanatory |
| 354 |
Disclosure of number and weighted average exercise prices of share options [text block] |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory |
| 355 |
Disclosure of indirect measurement of fair value of goods or services received, share options granted during period [text block] |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfIndirectMeasurementOfFairValueOfGoodsOrServicesReceivedShareOptionsGrantedDuringPeriodExplanatory |
| 356 |
029 - Disclosure - Note 9 - Related Party Transactions and Balances (Tables) |
Network |
* |
* |
http://almadenminerals.com/20181231/role/statement-note-9-related-party-transactions-and-balances-tables |
| 357 |
Statement Table [Table] |
Table |
* |
* |
aau:StatementTable |
| 358 |
Legal Entity [Axis] |
Axis |
|
|
dei:LegalEntityAxis |
| 359 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
| 360 |
Statement Line Items [Line Items] |
LineItems |
|
|
aau:StatementLineItems |
| 361 |
Disclosure of the transactions between related parties [text block] |
Concept (Text Block (HTML)) |
For Period |
|
aau:DisclosureOfTheTransactionsBetweenRelatedPartiesTextBlock |
| 362 |
030 - Disclosure - Note 11 - Supplemental Cash Flow Information (Tables) |
Network |
* |
* |
http://almadenminerals.com/20181231/role/statement-note-11-supplemental-cash-flow-information-tables |
| 363 |
Statement Table [Table] |
Table |
* |
* |
aau:StatementTable |
| 364 |
Legal Entity [Axis] |
Axis |
|
|
dei:LegalEntityAxis |
| 365 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
| 366 |
Statement Line Items [Line Items] |
LineItems |
|
|
aau:StatementLineItems |
| 367 |
Disclosure of supplemental cash flow [text block] |
Concept (Text Block (HTML)) |
For Period |
|
aau:DisclosureOfSupplementalCashFlowTextBlock |
| 368 |
031 - Disclosure - Note 12 - Income Taxes (Tables) |
Network |
* |
* |
http://almadenminerals.com/20181231/role/statement-note-12-income-taxes-tables |
| 369 |
Statement Table [Table] |
Table |
* |
* |
aau:StatementTable |
| 370 |
Legal Entity [Axis] |
Axis |
|
|
dei:LegalEntityAxis |
| 371 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
| 372 |
Statement Line Items [Line Items] |
LineItems |
|
|
aau:StatementLineItems |
| 373 |
Disclosure of deferred income taxes [text block] |
Concept (Text Block (HTML)) |
For Period |
|
aau:DisclsoureOfDeferredIncomeTaxesTextBlock |
| 374 |
Disclosure of deferred tax assets and liabilities [text block] |
Concept (Text Block (HTML)) |
For Period |
|
aau:DisclosureOfDeferredTaxAssetsAndLiabilitiesTextBlock |
| 375 |
Disclosure of temporary difference, unused tax losses and unused tax credits [text block] |
Concept (Text Block (HTML)) |
For Period |
|
aau:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTextBlock |
| 376 |
032 - Disclosure - Note 13 - Commitments (Tables) |
Network |
* |
* |
http://almadenminerals.com/20181231/role/statement-note-13-commitments-tables |
| 377 |
Statement Table [Table] |
Table |
* |
* |
aau:StatementTable |
| 378 |
Legal Entity [Axis] |
Axis |
|
|
dei:LegalEntityAxis |
| 379 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
| 380 |
Statement Line Items [Line Items] |
LineItems |
|
|
aau:StatementLineItems |
| 381 |
Disclosure of commitments and obligations [text block] |
Concept (Text Block (HTML)) |
For Period |
|
aau:DisclosureOfCommitmentsAndObligationsTextBlock |
| 382 |
033 - Disclosure - Note 14 - Financial Instruments (Tables) |
Network |
* |
* |
http://almadenminerals.com/20181231/role/statement-note-14-financial-instruments-tables |
| 383 |
Statement Table [Table] |
Table |
* |
* |
aau:StatementTable |
| 384 |
Legal Entity [Axis] |
Axis |
|
|
dei:LegalEntityAxis |
| 385 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
| 386 |
Statement Line Items [Line Items] |
LineItems |
|
|
aau:StatementLineItems |
| 387 |
Disclosure of financial assets and liabilities [text block] |
Concept (Text Block (HTML)) |
For Period |
|
aau:DisclosureOfFinancialAssetsAndLiabilitiesTextBlock |
| 388 |
034 - Disclosure - Note 16 - Segmented Information (Tables) |
Network |
* |
* |
http://almadenminerals.com/20181231/role/statement-note-16-segmented-information-tables |
| 389 |
Statement Table [Table] |
Table |
* |
* |
aau:StatementTable |
| 390 |
Legal Entity [Axis] |
Axis |
|
|
dei:LegalEntityAxis |
| 391 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
| 392 |
Statement Line Items [Line Items] |
LineItems |
|
|
aau:StatementLineItems |
| 393 |
Disclosure of segment reporting information, by segment [text block] |
Concept (Text Block (HTML)) |
For Period |
|
aau:DisclosureOfSegmentReportingInformationBySegmentTextBlock |
| 394 |
035 - Disclosure - Note 3 - Significant Accounting Policies (Details Textual) |
Network |
* |
* |
http://almadenminerals.com/20181231/role/statement-note-3-significant-accounting-policies-details-textual |
| 395 |
Statement Table [Table] |
Table |
* |
* |
aau:StatementTable |
| 396 |
Non-adjusting events after reporting period [axis] |
Axis |
|
|
ifrs-full:NonadjustingEventsAfterReportingPeriodAxis |
| 397 |
Non-adjusting events after reporting period [member] |
Member |
|
|
ifrs-full:NonadjustingEventsMember |
| 398 |
Adoption of new accounting policy [member] |
Member |
|
|
aau:AdoptionOfNewAccountingPolicyMember |
| 399 |
Legal Entity [Axis] |
Axis |
|
|
dei:LegalEntityAxis |
| 400 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
| 401 |
Statement Line Items [Line Items] |
LineItems |
|
|
aau:StatementLineItems |
| 402 |
Right-of-use assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:RightofuseAssets |
| 403 |
Total lease liabilities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:LeaseLiabilities |
| 404 |
036 - Disclosure - Note 3 - Significant Accounting Policies - Property, Plant and Equipment Depreciation Rate (Details) |
Network |
* |
* |
http://almadenminerals.com/20181231/role/statement-note-3-significant-accounting-policies-property-plant-and-equipment-depreciation-rate-details |
| 405 |
Statement Table [Table] |
Table |
* |
* |
aau:StatementTable |
| 406 |
Classes of property, plant and equipment [axis] |
Axis |
|
|
ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis |
| 407 |
Property, plant and equipment [member] |
Member |
|
|
ifrs-full:PropertyPlantAndEquipmentMember |
| 408 |
Vehicles [member] |
Member |
|
|
ifrs-full:VehiclesMember |
| 409 |
Furniture, fixtures and fittings [member] |
Member |
|
|
aau:FurnitureFixturesAndFittingsMember |
| 410 |
Computer equipment [member] |
Member |
|
|
ifrs-full:ComputerEquipmentMember |
| 411 |
Geological library [member] |
Member |
|
|
aau:GeologicalLibraryMember |
| 412 |
Field equipment [member] |
Member |
|
|
aau:FieldEquipmentMember |
| 413 |
Legal Entity [Axis] |
Axis |
|
|
dei:LegalEntityAxis |
| 414 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
| 415 |
Statement Line Items [Line Items] |
LineItems |
|
|
aau:StatementLineItems |
| 416 |
Property, plant and equipment |
Concept (Percent) |
As Of |
|
aau:DepreciationPercentage |
| 417 |
037 - Disclosure - Note 4 - Accounts Receivable and Prepaid Expenses (Details Textual) |
Network |
* |
* |
http://almadenminerals.com/20181231/role/statement-note-4-accounts-receivable-and-prepaid-expenses-details-textual |
| 418 |
Statement Table [Table] |
Table |
* |
* |
aau:StatementTable |
| 419 |
Legal Entity [Axis] |
Axis |
|
|
dei:LegalEntityAxis |
| 420 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
| 421 |
Statement Line Items [Line Items] |
LineItems |
|
|
aau:StatementLineItems |
| 422 |
Value added tax receivables |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:ValueAddedTaxReceivables |
| 423 |
038 - Disclosure - Note 4 - Accounts Receivable and Prepaid Expenses - Schedule of Accounts Receivable and Prepaid Expenses (Details) |
Network |
* |
* |
http://almadenminerals.com/20181231/role/statement-note-4-accounts-receivable-and-prepaid-expenses-schedule-of-accounts-receivable-and-prepaid-expenses-details |
| 424 |
Statement Table [Table] |
Table |
* |
* |
aau:StatementTable |
| 425 |
Legal Entity [Axis] |
Axis |
|
|
dei:LegalEntityAxis |
| 426 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
| 427 |
Statement Line Items [Line Items] |
LineItems |
|
|
aau:StatementLineItems |
| 428 |
Accounts receivable (Note 9(b)) |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CurrentTradeReceivables |
| 429 |
Prepaid expenses |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CurrentPrepaidExpenses |
| 430 |
Total accounts receivable and prepaid expenses |
Concept (Monetary) |
As Of |
Debit |
aau:CurrentTradeReceivablesAndPrepaidExpenses |
| 431 |
039 - Disclosure - Note 5 - Deposit on Mill Equipment (Details Textual) |
Network |
* |
* |
http://almadenminerals.com/20181231/role/statement-note-5-deposit-on-mill-equipment-details-textual |
| 432 |
Statement Table [Table] |
Table |
* |
* |
aau:StatementTable |
| 433 |
Classes of property, plant and equipment [axis] |
Axis |
|
|
ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis |
| 434 |
Property, plant and equipment [member] |
Member |
|
|
ifrs-full:PropertyPlantAndEquipmentMember |
| 435 |
Rock Creek Mill [member] |
Member |
|
|
aau:RockCreekMillMember |
| 436 |
Non-adjusting events after reporting period [axis] |
Axis |
|
|
ifrs-full:NonadjustingEventsAfterReportingPeriodAxis |
| 437 |
Non-adjusting events after reporting period [member] |
Member |
|
|
ifrs-full:NonadjustingEventsMember |
| 438 |
Major purchases of assets [member] |
Member |
|
|
ifrs-full:MajorPurchasesOfAssetsMember |
| 439 |
Legal Entity [Axis] |
Axis |
|
|
dei:LegalEntityAxis |
| 440 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
| 441 |
Statement Line Items [Line Items] |
LineItems |
|
|
aau:StatementLineItems |
| 442 |
Option to purchase property |
Concept (Monetary) |
For Period |
|
aau:OptionToPurchaseProperty |
| 443 |
Total number of shares issued |
Concept (Shares) |
As Of |
|
ifrs-full:NumberOfSharesIssued |
| 444 |
Fair value of shares issued |
Concept (Monetary) |
For Period |
Credit |
aau:FairValueOfSharesIssued |
| 445 |
Payments for purchase obligations for equipment |
Concept (Monetary) |
For Period |
Credit |
aau:PaymentsForPurchaseObligationsForEquipment |
| 446 |
Mill mobilization payments |
Concept (Monetary) |
For Period |
Credit |
aau:MillMobilizationPayments |
| 447 |
040 - Disclosure - Note 5 - Deposit on Mill Equipment - Schedule of Option Payments (Details) |
Network |
* |
* |
http://almadenminerals.com/20181231/role/statement-note-5-deposit-on-mill-equipment-schedule-of-option-payments-details |
| 448 |
Statement Table [Table] |
Table |
* |
* |
aau:StatementTable |
| 449 |
Legal Entity [Axis] |
Axis |
|
|
dei:LegalEntityAxis |
| 450 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
| 451 |
Statement Line Items [Line Items] |
LineItems |
|
|
aau:StatementLineItems |
| 452 |
Balance |
Concept (Monetary) |
As Of |
Debit |
aau:DepositsOnEquipment |
| 453 |
Additions: purchase price deposits |
Concept (Monetary) |
For Period |
Credit |
aau:PaymentsForPurchasePriceDeposits |
| 454 |
Additions: mobilization payments |
Concept (Monetary) |
For Period |
Credit |
aau:MillMobilizationPayments |
| 455 |
|
Concept (Monetary) |
As Of |
Debit |
aau:DepositsOnEquitmentBeforeTransfer |
| 456 |
Transfer to property, plant and equipment |
Concept (Monetary) |
For Period |
Credit |
aau:TransferOfDepositOnEquipmentToPropertyPlantAndEquipment |
| 457 |
Balance |
Concept (Monetary) |
As Of |
Debit |
aau:DepositsOnEquipment |
| 458 |
041 - Disclosure - Note 6 - Property, Plant and Equipment (Details Textual) |
Network |
* |
* |
http://almadenminerals.com/20181231/role/statement-note-6-property-plant-and-equipment-details-textual |
| 459 |
Statement Table [Table] |
Table |
* |
* |
aau:StatementTable |
| 460 |
Classes of property, plant and equipment [axis] |
Axis |
|
|
ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis |
| 461 |
Property, plant and equipment [member] |
Member |
|
|
ifrs-full:PropertyPlantAndEquipmentMember |
| 462 |
Mill Equipment [member] |
Member |
|
|
aau:MillEquipmentMember |
| 463 |
Container costs [member] |
Member |
|
|
aau:ContainerCostsMember |
| 464 |
Crane [member] |
Member |
|
|
aau:CraneMember |
| 465 |
Legal Entity [Axis] |
Axis |
|
|
dei:LegalEntityAxis |
| 466 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
| 467 |
Statement Line Items [Line Items] |
LineItems |
|
|
aau:StatementLineItems |
| 468 |
Property, plant and equipment at end of period |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:PropertyPlantAndEquipment |
| 469 |
Mill storage extension payment |
Concept (Monetary) |
For Period |
Credit |
aau:MillStorageExtensionPayment |
| 470 |
Mill mobilization payments |
Concept (Monetary) |
For Period |
Credit |
aau:MillMobilizationPayments |
| 471 |
Proceeds from disposals of property, plant and equipment, intangible assets other than goodwill, investment property and other non-current assets |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ProceedsFromDisposalsOfPropertyPlantAndEquipmentIntangibleAssetsOtherThanGoodwillInvestmentPropertyAndOtherNoncurrentAssets |
| 472 |
Losses on disposals of property, plant and equipment |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:LossesOnDisposalsOfPropertyPlantAndEquipment |
| 473 |
042 - Disclosure - Note 6 - Property, Plant and Equipment - Schedule of Property, Plant and Equipment (Details) |
Network |
* |
* |
http://almadenminerals.com/20181231/role/statement-note-6-property-plant-and-equipment-schedule-of-property-plant-and-equipment-details |
| 474 |
Statement Table [Table] |
Table |
* |
* |
aau:StatementTable |
| 475 |
Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] |
Axis |
|
|
ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis |
| 476 |
Carrying amount [member] |
Member |
|
|
ifrs-full:CarryingAmountMember |
| 477 |
Gross carrying amount [member] |
Member |
|
|
ifrs-full:GrossCarryingAmountMember |
| 478 |
Accumulated depreciation, amortisation and impairment [member] |
Member |
|
|
ifrs-full:AccumulatedDepreciationAmortisationAndImpairmentMember |
| 479 |
Classes of property, plant and equipment [axis] |
Axis |
|
|
ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis |
| 480 |
Property, plant and equipment [member] |
Member |
|
|
ifrs-full:PropertyPlantAndEquipmentMember |
| 481 |
Vehicles [member] |
Member |
|
|
ifrs-full:VehiclesMember |
| 482 |
Furniture, fixtures and fittings [member] |
Member |
|
|
aau:FurnitureFixturesAndFittingsMember |
| 483 |
Computer equipment [member] |
Member |
|
|
ifrs-full:ComputerEquipmentMember |
| 484 |
Geological library [member] |
Member |
|
|
aau:GeologicalLibraryMember |
| 485 |
Field equipment [member] |
Member |
|
|
aau:FieldEquipmentMember |
| 486 |
Mill Equipment [member] |
Member |
|
|
aau:MillEquipmentMember |
| 487 |
Classes of intangible assets other than goodwill [axis] |
Axis |
|
|
ifrs-full:ClassesOfIntangibleAssetsOtherThanGoodwillAxis |
| 488 |
Intangible assets other than goodwill [member] |
Member |
|
|
ifrs-full:IntangibleAssetsOtherThanGoodwillMember |
| 489 |
Computer software [member] |
Member |
|
|
ifrs-full:ComputerSoftwareMember |
| 490 |
Legal Entity [Axis] |
Axis |
|
|
dei:LegalEntityAxis |
| 491 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
| 492 |
Statement Line Items [Line Items] |
LineItems |
|
|
aau:StatementLineItems |
| 493 |
Balance |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:PropertyPlantAndEquipment |
| 494 |
Additions |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment |
| 495 |
Transfer from deposit on mill equipment |
Concept (Monetary) |
For Period |
Credit |
aau:TransferOfDepositOnEquipmentToPropertyPlantAndEquipment |
| 496 |
Balance |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:PropertyPlantAndEquipment |
| 497 |
Depreciation |
Concept (Monetary) |
For Period |
|
ifrs-full:DepreciationPropertyPlantAndEquipment |
| 498 |
Carrying amounts |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:PropertyPlantAndEquipment |
| 499 |
Disposals |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:DisposalsPropertyPlantAndEquipment |
| 500 |
043 - Disclosure - Note 7 - Exploration and Evaluation Assets (Details Textual) |
Network |
* |
* |
http://almadenminerals.com/20181231/role/statement-note-7-exploration-and-evaluation-assets-details-textual |
| 501 |
Statement Table [Table] |
Table |
* |
* |
aau:StatementTable |
| 502 |
Classes of property, plant and equipment [axis] |
Axis |
|
|
ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis |
| 503 |
Property, plant and equipment [member] |
Member |
|
|
ifrs-full:PropertyPlantAndEquipmentMember |
| 504 |
Tuligtic property in Puebla, Mexico [member |
Member |
|
|
aau:TuligticPropertyInPueblaMexicoMember |
| 505 |
Logan property located in the Yukon Territory, Canada [member] |
Member |
|
|
aau:LoganPropertyLocatedInTheYukonTerritoryCanadaMember |
| 506 |
Legal Entity [Axis] |
Axis |
|
|
dei:LegalEntityAxis |
| 507 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
| 508 |
Statement Line Items [Line Items] |
LineItems |
|
|
aau:StatementLineItems |
| 509 |
Proportion of ownership interest in associate |
Concept (Percent) |
For Period |
|
ifrs-full:ProportionOfOwnershipInterestInAssociate |
| 510 |
Nominal value of of property |
Concept (Monetary) |
As Of |
Debit |
aau:NominalValueOfOfProperty |
| 511 |
044 - Disclosure - Note 7 - Exploration and Evaluation Assets - Schedule of Exploration and Evaluation Assets (Details) |
Network |
* |
* |
http://almadenminerals.com/20181231/role/statement-note-7-exploration-and-evaluation-assets-schedule-of-exploration-and-evaluation-assets-details |
| 512 |
Statement Table [Table] |
Table |
* |
* |
aau:StatementTable |
| 513 |
Classes of property, plant and equipment [axis] |
Axis |
|
|
ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis |
| 514 |
Property, plant and equipment [member] |
Member |
|
|
ifrs-full:PropertyPlantAndEquipmentMember |
| 515 |
Tuligtic [Member] |
Member |
|
|
aau:TuligticMember |
| 516 |
Other property, plant and equipment [member] |
Member |
|
|
ifrs-full:OtherPropertyPlantAndEquipmentMember |
| 517 |
Legal Entity [Axis] |
Axis |
|
|
dei:LegalEntityAxis |
| 518 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
| 519 |
Statement Line Items [Line Items] |
LineItems |
|
|
aau:StatementLineItems |
| 520 |
Closing balance |
Concept (Monetary) |
As Of |
Debit |
aau:ExplorationAndEvaluationAssetsTransactionCosts |
| 521 |
Additions |
Concept (Monetary) |
For Period |
Debit |
aau:ExplorationAndEvaluationAssetsTransactionCostAdditions |
| 522 |
Closing balance |
Concept (Monetary) |
As Of |
Debit |
aau:ExplorationAndEvaluationAssetsTransactionCosts |
| 523 |
Balance |
Concept (Monetary) |
As Of |
Debit |
aau:ExplorationAndEvaluationAssetsDeferredExplorationCosts |
| 524 |
Drilling and related costs |
Concept (Monetary) |
For Period |
Debit |
aau:DrillingAndRelatedCosts |
| 525 |
Professional/technical fees |
Concept (Monetary) |
For Period |
Debit |
aau:ProfessionaltechnicalFees |
| 526 |
Claim maintenance/lease costs |
Concept (Monetary) |
For Period |
Debit |
aau:ClaimMaintenanceAndLeaseCosts |
| 527 |
Geochemical, metallurgy |
Concept (Monetary) |
For Period |
Debit |
aau:GeochemicalAndMetallurgyCosts |
| 528 |
Technical studies |
Concept (Monetary) |
For Period |
Debit |
aau:TechnicalStudiesCosts |
| 529 |
Travel and accommodation |
Concept (Monetary) |
For Period |
Debit |
aau:TravelAndAccommodationExpense |
| 530 |
Geology, geophysics and exploration |
Concept (Monetary) |
For Period |
Debit |
aau:GeologyGeophysicsAndExplorationCosts |
| 531 |
Supplies and misc. |
Concept (Monetary) |
For Period |
Debit |
aau:SuppliesAndMiscellaneousCosts |
| 532 |
Environmental |
Concept (Monetary) |
For Period |
Debit |
aau:EnvironmentalStudies |
| 533 |
Value-added tax (Note 4) |
Concept (Monetary) |
For Period |
Debit |
aau:ValueAddedTaxExpense |
| 534 |
Total deferred exploration costs during the period |
Concept (Monetary) |
For Period |
Debit |
aau:DeferredExplorationCosts |
| 535 |
Balance |
Concept (Monetary) |
As Of |
Debit |
aau:ExplorationAndEvaluationAssetsDeferredExplorationCosts |
| 536 |
Total exploration and evaluation assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:TangibleExplorationAndEvaluationAssets |
| 537 |
Water exploration |
Concept (Monetary) |
For Period |
Debit |
aau:WaterExplorationCosts |
| 538 |
045 - Disclosure - Note 8 - Share Capital and Reserves (Details Textual) |
Network |
* |
* |
http://almadenminerals.com/20181231/role/statement-note-8-share-capital-and-reserves-details-textual |
| 539 |
Statement Table [Table] |
Table |
* |
* |
aau:StatementTable |
| 540 |
Classes of financial instruments [axis] |
Axis |
|
|
ifrs-full:ClassesOfFinancialInstrumentsAxis |
| 541 |
Financial instruments, class [member] |
Member |
|
|
ifrs-full:ClassesOfFinancialInstrumentsMember |
| 542 |
Warrants [member] |
Member |
|
|
aau:WarrantsMember |
| 543 |
Finders' warrants [member] |
Member |
|
|
aau:FindersWarrantsMember |
| 544 |
Stock options expiring December 11, 2018 [member] |
Member |
|
|
aau:StockOptionsExpiringDecember112018Member |
| 545 |
Stock options expiring January 6, 2017 [member] |
Member |
|
|
aau:StockOptionsExpiringJanuary62017Member |
| 546 |
Stock options expiring August 26, 2017 [member] |
Member |
|
|
aau:StockOptionsExpiringAugust262017Member |
| 547 |
First set of stock options expiring December 11, 2018 [member] |
Member |
|
|
aau:FirstSetOfStockOptionsExpiringDecember112018Member |
| 548 |
Range [axis] |
Axis |
|
|
ifrs-full:RangeAxis |
| 549 |
Ranges [member] |
Member |
|
|
ifrs-full:RangesMember |
| 550 |
Top of range [member] |
Member |
|
|
ifrs-full:TopOfRangeMember |
| 551 |
Classes of ordinary shares [axis] |
Axis |
|
|
ifrs-full:ClassesOfOrdinarySharesAxis |
| 552 |
Ordinary shares [member] |
Member |
|
|
ifrs-full:OrdinarySharesMember |
| 553 |
Common shares issued in a cashless transaction [member] |
Member |
|
|
aau:CommonSharesIssuedInACashlessTransactionMember |
| 554 |
Legal Entity [Axis] |
Axis |
|
|
dei:LegalEntityAxis |
| 555 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
| 556 |
Statement Line Items [Line Items] |
LineItems |
|
|
aau:StatementLineItems |
| 557 |
Issue of equity, private placement, number of units |
Concept (Shares) |
For Period |
|
aau:IssueOfEquityPrivatePlacementNumberOfUnits |
| 558 |
Weighted average unit price |
Concept (Share) |
For Period |
|
aau:WeightedAverageUnitPrice |
| 559 |
Proceeds from issuing units |
Concept (Monetary) |
For Period |
Debit |
aau:ProceedsFromIssuingUnits |
| 560 |
Number of common shares issued per private placement unit |
Concept (Shares) |
For Period |
|
aau:NumberOfCommonSharesIssuedPerPrivatePlacementUnit |
| 561 |
Number of warrants issued per private placement unit |
Concept (Shares) |
For Period |
|
aau:NumberOfWarrantsIssuedPerPrivatePlacementUnit |
| 562 |
Number of common shares purchasable from a warrant |
Concept (Shares) |
For Period |
|
aau:NumberOfCommonSharesPurchasableFromAWarrant |
| 563 |
Weighted average share price |
Concept (Monetary) |
For Period |
|
ifrs-full:WeightedAverageSharePrice |
| 564 |
Finders' fee |
Concept (Monetary) |
For Period |
Credit |
aau:FindersFee |
| 565 |
Maximum number of common shares purchasable from warrants |
Concept (Shares) |
As Of |
|
aau:MaximumNumberOfCommonSharesPurchasableFromWarrants |
| 566 |
Warrants, fair value |
Concept (Monetary) |
As Of |
Credit |
aau:WarrantsFairValue |
| 567 |
Share issue related cost |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ShareIssueRelatedCost |
| 568 |
Weighted average remaining contractual life of outstanding warrants |
Concept (Decimal) |
As Of |
|
aau:WeightedAverageRemainingContractualLifeOfOutstandingWarrants |
| 569 |
Stock options issuance limitations, maximum percentage of allowed issuable options |
Concept (Percent) |
As Of |
|
aau:StockOptionsIssuanceLimitationsMaximumPercentageOfAllowedIssuableOptions |
| 570 |
Stock options issuance limitations, maximum percentage of allowed issuable options for services rendered |
Concept (Percent) |
As Of |
|
aau:StockOptionsIssuanceLimitationsMaximumPercentageOfAllowedIssuableOptionsForServicesRendered |
| 571 |
Number of shares authorised |
Concept (Shares) |
As Of |
|
ifrs-full:NumberOfSharesAuthorised |
| 572 |
Option life, share options granted |
Concept (Decimal) |
For Period |
|
ifrs-full:DescriptionOfOptionLifeShareOptionsGranted |
| 573 |
Stock option limitations, maximum amount of stock options exercisable during a 3 month period |
Concept (Percent) |
As Of |
|
aau:StockOptionLimitationsMaximumAmountOfStockOptionsExercisableDuringA3MonthPeriod |
| 574 |
Number of share options exercised in share-based payment arrangement |
Concept (Decimal) |
For Period |
|
ifrs-full:NumberOfShareOptionsExercisedInSharebasedPaymentArrangement |
| 575 |
Weighted average exercise price of share options exercised in share-based payment arrangement |
Concept (Monetary) |
For Period |
|
ifrs-full:WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement |
| 576 |
Total number of shares issued |
Concept (Shares) |
As Of |
|
ifrs-full:NumberOfSharesIssued |
| 577 |
Weighted average remaining contractual life of outstanding share options |
Concept (Decimal) |
As Of |
|
ifrs-full:WeightedAverageRemainingContractualLifeOfOutstandingShareOptions |
| 578 |
Expense from share-based payment transactions with employees |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ExpenseFromSharebasedPaymentTransactionsWithEmployees |
| 579 |
046 - Disclosure - Note 8 - Share Capital and Reserves - Continuity of Warrants (Details) |
Network |
* |
* |
http://almadenminerals.com/20181231/role/statement-note-8-share-capital-and-reserves-continuity-of-warrants-details |
| 580 |
Statement Table [Table] |
Table |
* |
* |
aau:StatementTable |
| 581 |
Classes of financial instruments [axis] |
Axis |
|
|
ifrs-full:ClassesOfFinancialInstrumentsAxis |
| 582 |
Financial instruments, class [member] |
Member |
|
|
ifrs-full:ClassesOfFinancialInstrumentsMember |
| 583 |
Warrants expiring November 25, 2018, first set [member] |
Member |
|
|
aau:WarrantsExpiringNovember252018FirstSetMember |
| 584 |
Warrants expiring November 17, 2017 [member] |
Member |
|
|
aau:WarrantsExpiringNovember172017Member |
| 585 |
Warrants expiring February 11, 2016, first set [member] |
Member |
|
|
aau:WarrantsExpiringFebruary112016FirstSetMember |
| 586 |
Warrants expiring November 25, 2018, second set [member] |
Member |
|
|
aau:WarrantsExpiringNovember252018SecondSetMember |
| 587 |
Warrants expiring February 11, 2016, second set [member] |
Member |
|
|
aau:WarrantsExpiringFebruary112016SecondSetMember |
| 588 |
Warrants expiring June 1, 2019 [member] |
Member |
|
|
aau:WarrantsExpiringJune12019Member |
| 589 |
Warrants expiring July 17, 2016, first set [member] |
Member |
|
|
aau:WarrantsExpiringJuly172016FirstSetMember |
| 590 |
Warrants expiring August 7, 2019, first set [member] |
Member |
|
|
aau:WarrantsExpiringAugust72019FirstSetMember |
| 591 |
Warrants expiring July 17, 2016, second set [Member] |
Member |
|
|
aau:WarrantsExpiringJuly172016SecondSetMember |
| 592 |
Warrants expiring August 7, 2019, second set [member] |
Member |
|
|
aau:WarrantsExpiringAugust72019SecondSetMember |
| 593 |
Warrants expiring November 17, 2017, first set [Member] |
Member |
|
|
aau:WarrantsExpiringNovember172017FirstSetMember |
| 594 |
Warrants expiring June 1, 2020 [member] |
Member |
|
|
aau:WarrantsExpiringJune12020Member |
| 595 |
Warrants expiring November 17, 2017, second set [Member] |
Member |
|
|
aau:WarrantsExpiringNovember172017SecondSetMember |
| 596 |
Warrants expiring June 7, 2020 [member] |
Member |
|
|
aau:WarrantsExpiringJune72020Member |
| 597 |
Warrants expiring June 7, 2022 [member] |
Member |
|
|
aau:WarrantsExpiringJune72022Member |
| 598 |
Legal Entity [Axis] |
Axis |
|
|
dei:LegalEntityAxis |
| 599 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
| 600 |
Statement Line Items [Line Items] |
LineItems |
|
|
aau:StatementLineItems |
| 601 |
Exercise price |
Concept (Monetary) |
As Of |
|
ifrs-full:WeightedAverageExercisePriceOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement |
| 602 |
Balance |
Concept (Decimal) |
As Of |
|
ifrs-full:NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement |
| 603 |
Issued |
Concept (Decimal) |
For Period |
|
ifrs-full:NumberOfInstrumentsOtherEquityInstrumentsGranted |
| 604 |
Exercised |
Concept (Decimal) |
For Period |
|
ifrs-full:NumberOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement |
| 605 |
Expired |
Concept (Decimal) |
For Period |
|
ifrs-full:NumberOfOtherEquityInstrumentsExpiredInSharebasedPaymentArrangement |
| 606 |
Balance |
Concept (Decimal) |
As Of |
|
ifrs-full:NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement |
| 607 |
Balance, outstanding and exercisable |
Concept (Decimal) |
As Of |
|
ifrs-full:NumberOfOtherEquityInstrumentsExercisableInSharebasedPaymentArrangement |
| 608 |
Issued, outstanding and exercisable (in shares) |
Concept (Shares) |
For Period |
|
aau:NumberOfOtherGrantedEquityInstrumentsExercisableInSharebasedPaymentArrangement |
| 609 |
Exercised, outstanding and exercisable (in shares) |
Concept (Shares) |
For Period |
|
aau:NumberOfOtherExercisedEquityInstrumentsExercisableInSharebasedPaymentArrangement |
| 610 |
Expired, outstanding and exercisable (in shares) |
Concept (Shares) |
For Period |
|
aau:NumberOfOtherExpiredAndCancelledEquityInstrumentsExercisableInSharebasedPaymentArrangement |
| 611 |
Balance, oustanding and exercisable |
Concept (Decimal) |
As Of |
|
ifrs-full:NumberOfOtherEquityInstrumentsExercisableInSharebasedPaymentArrangement |
| 612 |
Balance, weighted average exercise price |
Concept (Monetary) |
As Of |
|
ifrs-full:WeightedAverageExercisePriceOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement |
| 613 |
Issued, weighted average exercise price |
Concept (Monetary) |
For Period |
|
ifrs-full:WeightedAverageExercisePriceOfOtherEquityInstrumentsGrantedInSharebasedPaymentArrangement |
| 614 |
Exercised, weighted average exercise price |
Concept (Decimal) |
For Period |
|
ifrs-full:NumberOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement |
| 615 |
Expired, weighted average exercise price |
Concept (Monetary) |
For Period |
|
ifrs-full:WeightedAverageExercisePriceOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement |
| 616 |
Balance, weighted average exercise price |
Concept (Monetary) |
As Of |
|
ifrs-full:WeightedAverageExercisePriceOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement |
| 617 |
Number of warrants |
Concept (Decimal) |
For Period |
|
ifrs-full:NumberOfInstrumentsOtherEquityInstrumentsGranted |
| 618 |
Granted, outstanding and exercisable (in shares) |
Concept (Shares) |
For Period |
|
aau:NumberOfOtherGrantedEquityInstrumentsExercisableInSharebasedPaymentArrangement |
| 619 |
Granted, weighted average exercise price |
Concept (Monetary) |
For Period |
|
ifrs-full:WeightedAverageExercisePriceOfOtherEquityInstrumentsGrantedInSharebasedPaymentArrangement |
| 620 |
047 - Disclosure - Note 8 - Share Capital and Reserves - Warrant Fair Value Assumptions (Details) |
Network |
* |
* |
http://almadenminerals.com/20181231/role/statement-note-8-share-capital-and-reserves-warrant-fair-value-assumptions-details |
| 621 |
Statement Table [Table] |
Table |
* |
* |
aau:StatementTable |
| 622 |
Classes of financial instruments [axis] |
Axis |
|
|
ifrs-full:ClassesOfFinancialInstrumentsAxis |
| 623 |
Financial instruments, class [member] |
Member |
|
|
ifrs-full:ClassesOfFinancialInstrumentsMember |
| 624 |
Warrants issued on June 7, 2018 [member] |
Member |
|
|
aau:WarrantsIssuedOnJune72018Member |
| 625 |
Warrants issued on June 1, 2017 [member] |
Member |
|
|
aau:WarrantsIssuedOnJune12017Member |
| 626 |
Warrants issued on February 7, 2017 [member] |
Member |
|
|
aau:WarrantsIssuedOnFebruary72017Member |
| 627 |
Warrants issued on May 25, 2016 [member] |
Member |
|
|
aau:WarrantsIssuedOnMay252016Member |
| 628 |
Legal Entity [Axis] |
Axis |
|
|
dei:LegalEntityAxis |
| 629 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
| 630 |
Statement Line Items [Line Items] |
LineItems |
|
|
aau:StatementLineItems |
| 631 |
Number of warrants |
Concept (Decimal) |
For Period |
|
ifrs-full:NumberOfInstrumentsOtherEquityInstrumentsGranted |
| 632 |
Fair value per share |
Concept (Monetary) |
For Period |
|
aau:WeightedAverageSharePriceWarrantsGranted |
| 633 |
Risk free interest rate |
Concept (Percent) |
For Period |
|
aau:RiskFreeInterestRateWarrantsGranted |
| 634 |
Expected life (Year) |
Concept (xbrli:durationItemType) |
For Period |
|
aau:WarrantLifeWarrantsGranted |
| 635 |
Expected volatility |
Concept (Percent) |
For Period |
|
aau:DescriptionOfExpectedVolatilityWarrantsGranted |
| 636 |
Expected dividends |
Concept (Monetary) |
For Period |
|
aau:ExpectedDividendWarrantsGranted |
| 637 |
048 - Disclosure - Note 8 - Share Capital and Reserves - Schedule of Share Options (Details) |
Network |
* |
* |
http://almadenminerals.com/20181231/role/statement-note-8-share-capital-and-reserves-schedule-of-share-options-details |
| 638 |
Statement Table [Table] |
Table |
* |
* |
aau:StatementTable |
| 639 |
Classes of financial instruments [axis] |
Axis |
|
|
ifrs-full:ClassesOfFinancialInstrumentsAxis |
| 640 |
Financial instruments, class [member] |
Member |
|
|
ifrs-full:ClassesOfFinancialInstrumentsMember |
| 641 |
Stock options expiring April 4, 2018 [member] |
Member |
|
|
aau:StockOptionsExpiringApril42018Member |
| 642 |
Stock options expiring January 6, 2017 [member] |
Member |
|
|
aau:StockOptionsExpiringJanuary62017Member |
| 643 |
Stock options expiring May 6, 2016 [member] |
Member |
|
|
aau:StockOptionsExpiringMay62016Member |
| 644 |
Stock options expiring May 6, 2018 [member] |
Member |
|
|
aau:StockOptionsExpiringMay62018Member |
| 645 |
Stock options granted May 4, 2017 [member] |
Member |
|
|
aau:StockOptionsGrantedMay42017Member |
| 646 |
Stock options expiring June 8, 2016 [member] |
Member |
|
|
aau:StockOptionsExpiringJune82016Member |
| 647 |
Stock options expiring June 8, 2018 [member] |
Member |
|
|
aau:StockOptionsExpiringJune82018Member |
| 648 |
Stock options expiring June 8, 2017 [member] |
Member |
|
|
aau:StockOptionsExpiringJune82017Member |
| 649 |
Stock options expiring July 14, 2016 [member] |
Member |
|
|
aau:StockOptionsExpiringJuly142016Member |
| 650 |
Stock options expiring June 18, 2018 [member] |
Member |
|
|
aau:StockOptionsExpiringJune182018Member |
| 651 |
Stock options expiring August 26, 2017 [member] |
Member |
|
|
aau:StockOptionsExpiringAugust262017Member |
| 652 |
Stock options expiring August 15, 2016 [member] |
Member |
|
|
aau:StockOptionsExpiringAugust152016Member |
| 653 |
Stock options expiring June 29, 2018 [member] |
Member |
|
|
aau:StockOptionsExpiringJune292018Member |
| 654 |
Stock options expiring September 11, 2017 [member] |
Member |
|
|
aau:StockOptionsExpiringSeptember112017Member |
| 655 |
Stock options expiring October 10, 2016 [member] |
Member |
|
|
aau:StockOptionsExpiringOctober102016Member |
| 656 |
Stock options expiring August 9, 2018 [member] |
Member |
|
|
aau:StockOptionsExpiringAugust92018Member |
| 657 |
Stock options expiring November 22, 2017 [member] |
Member |
|
|
aau:StockOptionsExpiringNovember222017Member |
| 658 |
Stock options expiring September 15, 2018 [member] |
Member |
|
|
aau:StockOptionsExpiringSeptember152018Member |
| 659 |
Stock options expiring May 4, 2017 [member] |
Member |
|
|
aau:StockOptionsExpiringMay42017Member |
| 660 |
First set of stock options expiring December 11, 2018 [member] |
Member |
|
|
aau:FirstSetOfStockOptionsExpiringDecember112018Member |
| 661 |
Second set of stock options expiring December 11, 2018 [member] |
Member |
|
|
aau:SecondSetOfStockOptionsExpiringDecember112018Member |
| 662 |
Third set of stock options expiring December 11, 2018 [member] |
Member |
|
|
aau:ThirdSetOfStockOptionsExpiringDecember112018Member |
| 663 |
Stock options expiring January 2, 2019 [member] |
Member |
|
|
aau:StockOptionsExpiringJanuary22019Member |
| 664 |
Stock options expiring March 17, 2019 [member] |
Member |
|
|
aau:StockOptionsExpiringMarch172019Member |
| 665 |
Stock options expiring May 4, 2019 [member] |
Member |
|
|
aau:StockOptionsExpiringMay42019Member |
| 666 |
Stock options expiring May 19, 2019 [member] |
Member |
|
|
aau:StockOptionsExpiringMay192019Member |
| 667 |
Stock options expiring June 12, 2019 [member] |
Member |
|
|
aau:StockOptionsExpiringJune122019Member |
| 668 |
First set of stock options expiring July 2, 2019 [member] |
Member |
|
|
aau:FirstSetOfStockOptionsExpiringJuly22019Member |
| 669 |
Second set of stock options expiring July 2, 2019 [member] |
Member |
|
|
aau:SecondSetOfStockOptionsExpiringJuly22019Member |
| 670 |
Third set of stock options expiring July 2, 2019 [member] |
Member |
|
|
aau:ThirdSetOfStockOptionsExpiringJuly22019Member |
| 671 |
Stock options expiring September 19, 2019 [member] |
Member |
|
|
aau:StockOptionsExpiringSeptember192019Member |
| 672 |
Stock options expiring April 10, 2020 [member] |
Member |
|
|
aau:StockOptionsExpiringApril102020Member |
| 673 |
First set of stock options expiring April 30, 2020 [member] |
Member |
|
|
aau:FirstSetOfStockOptionsExpiringApril302020Member |
| 674 |
Second set of stock options expiring April 30, 2020 [member] |
Member |
|
|
aau:SecondSetOfStockOptionsExpiringApril302020Member |
| 675 |
Third set of stock options expiring April 30, 2020 [member] |
Member |
|
|
aau:ThirdSetOfStockOptionsExpiringApril302020Member |
| 676 |
Stock options expiring June 8, 2020 [member] |
Member |
|
|
aau:StockOptionsExpiringJune82020Member |
| 677 |
First set of stock options expiring September 30, 2020 [member] |
Member |
|
|
aau:FirstSetOfStockOptionsExpiringSeptember302020Member |
| 678 |
Second set of stock options expiring September 30, 2020 [member] |
Member |
|
|
aau:SecondSetOfStockOptionsExpiringSeptember302020Member |
| 679 |
Third set of stock options expiring September 30, 2020 [member] |
Member |
|
|
aau:ThirdSetOfStockOptionsExpiringSeptember302020Member |
| 680 |
Stock options expiring December 13, 2020 [member] |
Member |
|
|
aau:StockOptionsExpiringDecember132020Member |
| 681 |
Stock options expiring September 30, 2020 [member] |
Member |
|
|
aau:StockOptionsExpiringSeptember302020Member |
| 682 |
Stock options expiring February 7, 2021 [member] |
Member |
|
|
aau:StockOptionsExpiringFebruary72021Member |
| 683 |
Stock options expiring March 29, 2021 [member] |
Member |
|
|
aau:StockOptionsExpiringMarch292021Member |
| 684 |
Stock options expiring December 12, 2021 [member] |
Member |
|
|
aau:StockOptionsExpiringDecember122021Member |
| 685 |
Legal Entity [Axis] |
Axis |
|
|
dei:LegalEntityAxis |
| 686 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
| 687 |
Statement Line Items [Line Items] |
LineItems |
|
|
aau:StatementLineItems |
| 688 |
Stock Options, exercise price |
Concept (Monetary) |
As Of |
|
ifrs-full:WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement |
| 689 |
Stock options, balance |
Concept (Decimal) |
As Of |
|
ifrs-full:NumberOfOutstandingShareOptions |
| 690 |
Stock options, granted |
Concept (Decimal) |
For Period |
|
ifrs-full:NumberOfShareOptionsGrantedInSharebasedPaymentArrangement |
| 691 |
Stock options, exercised |
Concept (Decimal) |
For Period |
|
ifrs-full:NumberOfShareOptionsExercisedInSharebasedPaymentArrangement |
| 692 |
Stock options expired/cancelled |
Concept (Decimal) |
For Period |
|
ifrs-full:NumberOfShareOptionsExpiredInSharebasedPaymentArrangement |
| 693 |
Stock options, balance |
Concept (Decimal) |
As Of |
|
ifrs-full:NumberOfOutstandingShareOptions |
| 694 |
Stock options, balance, outstanding and exercisable (in shares) |
Concept (Shares) |
As Of |
|
aau:NumberOfShareOptionsOutstandingAndExercisableInSharebasedPaymentArrangement |
| 695 |
Stock options, granted, outstanding and exercisable (in shares) |
Concept (Shares) |
For Period |
|
aau:NumberOfGrantedShareOptionsOutstandingAndExercisableInSharebasedPaymentArrangement |
| 696 |
Stock options, exercised, outstanding and exercisable (in shares) |
Concept (Shares) |
For Period |
|
aau:NumberOfShareOptionsExercisedOutstandingAndExercisableInSharebasedPaymentArrangement |
| 697 |
Stock options expired/cancelled, outstanding and exercisable (in shares) |
Concept (Shares) |
For Period |
|
aau:NumberOfExpiredAndCancelledShareOptionsOutstandingAndExercisableInSharebasedPaymentArrangement |
| 698 |
Stock options balance, outstanding and exercisable (in shares) |
Concept (Shares) |
As Of |
|
aau:NumberOfShareOptionsOutstandingAndExercisableInSharebasedPaymentArrangement |
| 699 |
Stock options, balance, weighted average exercise price |
Concept (Monetary) |
As Of |
|
ifrs-full:WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement |
| 700 |
Weighted average exercise price |
Concept (Monetary) |
For Period |
|
ifrs-full:WeightedAverageExercisePriceOfShareOptionsGrantedInSharebasedPaymentArrangement |
| 701 |
Stock options, exercised, weighted average exercise price |
Concept (Monetary) |
For Period |
|
ifrs-full:WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement |
| 702 |
Stock options expired/cancelled, weighted average exercise price |
Concept (Monetary) |
For Period |
|
ifrs-full:WeightedAverageExercisePriceOfShareOptionsExpiredInSharebasedPaymentArrangement |
| 703 |
Stock options balance, weighted average exercise price |
Concept (Monetary) |
As Of |
|
ifrs-full:WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement |
| 704 |
049 - Disclosure - Note 8 - Share Capital and Reserves - Share Option Fair Value Assumptions (Details) |
Network |
* |
* |
http://almadenminerals.com/20181231/role/statement-note-8-share-capital-and-reserves-share-option-fair-value-assumptions-details |
| 705 |
Statement Table [Table] |
Table |
* |
* |
aau:StatementTable |
| 706 |
Classes of financial instruments [axis] |
Axis |
|
|
ifrs-full:ClassesOfFinancialInstrumentsAxis |
| 707 |
Financial instruments, class [member] |
Member |
|
|
ifrs-full:ClassesOfFinancialInstrumentsMember |
| 708 |
Stock options granted December 13, 2018 [member] |
Member |
|
|
aau:StockOptionsGrantedDecember132018Member |
| 709 |
Stock options granted December 12, 2018 [member] |
Member |
|
|
aau:StockOptionsGrantedDecember122018Member |
| 710 |
Stock options granted September 26, 2018 [member] |
Member |
|
|
aau:StockOptionsGrantedSeptember262018Member |
| 711 |
Stock options granted August 15, 2018 [member] |
Member |
|
|
aau:StockOptionsGrantedAugust152018Member |
| 712 |
Stock options granted June 18, 2018 [member] |
Member |
|
|
aau:StockOptionsGrantedJune182018Member |
| 713 |
Stock options granted May 7, 2018 [member] |
Member |
|
|
aau:StockOptionsGrantedMay72018Member |
| 714 |
Stock options granted April 10, 2018 [member] |
Member |
|
|
aau:StockOptionsGrantedApril102018Member |
| 715 |
Stock options granted March 29, 2018 [member] |
Member |
|
|
aau:StockOptionsGrantedMarch292018Member |
| 716 |
Stock options granted February 7, 2018 [member] |
Member |
|
|
aau:StockOptionsGrantedFebruary72018Member |
| 717 |
Stock options granted December 22, 2017 [member] |
Member |
|
|
aau:StockOptionsGrantedDecember222017Member |
| 718 |
Stock options granted November 23, 2017 [member] |
Member |
|
|
aau:StockOptionsGrantedNovember232017Member |
| 719 |
Stock options granted September 12, 2017 [member] |
Member |
|
|
aau:StockOptionsGrantedSeptember122017Member |
| 720 |
Stock options granted August 25, 2017 [member] |
Member |
|
|
aau:StockOptionsGrantedAugust252017Member |
| 721 |
Stock options granted June 12, 2017 [member] |
Member |
|
|
aau:StockOptionsGrantedJune122017Member |
| 722 |
Stock options granted May 19, 2017 [member] |
Member |
|
|
aau:StockOptionsGrantedMay192017Member |
| 723 |
Stock options granted May 4, 2017 [member] |
Member |
|
|
aau:StockOptionsGrantedMay42017Member |
| 724 |
Stock options granted March 17, 2017 [member] |
Member |
|
|
aau:StockOptionsGrantedMarch172017Member |
| 725 |
Stock options granted January 11, 2017 [member] |
Member |
|
|
aau:StockOptionsGrantedJanuary112017Member |
| 726 |
Stock options granted December 21, 2016 [member] |
Member |
|
|
aau:StockOptionsGrantedDecember212016Member |
| 727 |
Stock options granted November 2, 2016 [member] |
Member |
|
|
aau:StockOptionsGrantedNovember22016Member |
| 728 |
Stock options granted October 6, 2016 [member] |
Member |
|
|
aau:StockOptionsGrantedOctober62016Member |
| 729 |
Stock options granted September 15, 2016 [member] |
Member |
|
|
aau:StockOptionsGrantedSeptember152016Member |
| 730 |
Stock options granted August 9, 2016 [member] |
Member |
|
|
aau:StockOptionsGrantedAugust92016Member |
| 731 |
Stock options granted June 29, 2016 [member] |
Member |
|
|
aau:StockOptionsGrantedJune292016Member |
| 732 |
Stock options granted June 8, 2016 [member] |
Member |
|
|
aau:StockOptionsGrantedJune82016Member |
| 733 |
Stock options granted May 6, 2016 [member] |
Member |
|
|
aau:StockOptionsGrantedMay62016Member |
| 734 |
Legal Entity [Axis] |
Axis |
|
|
dei:LegalEntityAxis |
| 735 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
| 736 |
Statement Line Items [Line Items] |
LineItems |
|
|
aau:StatementLineItems |
| 737 |
Stock options, granted |
Concept (Decimal) |
For Period |
|
ifrs-full:NumberOfShareOptionsGrantedInSharebasedPaymentArrangement |
| 738 |
Fair value per share, stock options |
Concept (Monetary) |
For Period |
|
ifrs-full:WeightedAverageSharePriceShareOptionsGranted |
| 739 |
Risk free interest rate, stock options |
Concept (Percent) |
For Period |
|
ifrs-full:DescriptionOfRiskFreeInterestRateShareOptionsGranted |
| 740 |
Expected life, stock options |
Concept (Decimal) |
For Period |
|
ifrs-full:DescriptionOfOptionLifeShareOptionsGranted |
| 741 |
Expected volatility, stock options |
Concept (Percent) |
For Period |
|
ifrs-full:DescriptionOfExpectedVolatilityShareOptionsGranted |
| 742 |
Expected dividends, stock options |
Concept (Monetary) |
For Period |
|
ifrs-full:ExpectedDividendShareOptionsGranted |
| 743 |
050 - Disclosure - Note 9 - Related Party Transactions and Balances (Details Textual) |
Network |
* |
* |
http://almadenminerals.com/20181231/role/statement-note-9-related-party-transactions-and-balances-details-textual |
| 744 |
Statement Table [Table] |
Table |
* |
* |
aau:StatementTable |
| 745 |
Categories of related parties [axis] |
Axis |
|
|
ifrs-full:CategoriesOfRelatedPartiesAxis |
| 746 |
Entity's total for related parties [member] |
Member |
|
|
ifrs-full:EntitysTotalForRelatedPartiesMember |
| 747 |
Almadex [member] |
Member |
|
|
aau:AlmadexMember |
| 748 |
Company controlled by a director [member] |
Member |
|
|
aau:CompanyControlledByADirectorMember |
| 749 |
Azucar [member] |
Member |
|
|
aau:AzucarMember |
| 750 |
Chairman's daughter [member] |
Member |
|
|
aau:ChairmansDaughterMember |
| 751 |
Classes of property, plant and equipment [axis] |
Axis |
|
|
ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis |
| 752 |
Property, plant and equipment [member] |
Member |
|
|
ifrs-full:PropertyPlantAndEquipmentMember |
| 753 |
Drill equipment [member] |
Member |
|
|
aau:DrillEquipmentMember |
| 754 |
Legal Entity [Axis] |
Axis |
|
|
dei:LegalEntityAxis |
| 755 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
| 756 |
Statement Line Items [Line Items] |
LineItems |
|
|
aau:StatementLineItems |
| 757 |
Administrative income from fees incurred during spin off |
Concept (Monetary) |
For Period |
Debit |
aau:AdministrativeIncomeFromFeesIncurredDuringSpinOff |
| 758 |
Payments to related party services |
Concept (Monetary) |
For Period |
Credit |
aau:PaymentsToRelatedPartyServices |
| 759 |
Amounts receivable, related party transactions |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:AmountsReceivableRelatedPartyTransactions |
| 760 |
Outstanding commitments made on behalf of entity, related party transactions |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:OutstandingCommitmentsMadeOnBehalfOfEntityRelatedPartyTransactions |
| 761 |
Related party, salary contracted |
Concept (Monetary) |
As Of |
|
aau:RelatedPartySalaryContracted |
| 762 |
051 - Disclosure - Note 9 - Related Party Transactions and Balances - Schedule of Related Party Payments (Details) |
Network |
* |
* |
http://almadenminerals.com/20181231/role/statement-note-9-related-party-transactions-and-balances-schedule-of-related-party-payments-details |
| 763 |
Statement Table [Table] |
Table |
* |
* |
aau:StatementTable |
| 764 |
Legal Entity [Axis] |
Axis |
|
|
dei:LegalEntityAxis |
| 765 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
| 766 |
Statement Line Items [Line Items] |
LineItems |
|
|
aau:StatementLineItems |
| 767 |
Salaries and benefits |
Concept (Monetary) |
For Period |
Credit |
aau:PaymentsForSalariesFeesAndBenefits |
| 768 |
Share-based payments |
Concept (Monetary) |
For Period |
Credit |
aau:AmountOfSharebasedPayments |
| 769 |
Directors’ fees |
Concept (Monetary) |
For Period |
Credit |
aau:PaymentsMadeForDirectorsFees |
| 770 |
Total |
Concept (Monetary) |
For Period |
Credit |
aau:PaymentsToRelatedPartyServices |
| 771 |
052 - Disclosure - Note 10 - Net Loss Per Share (Details Textual) |
Network |
* |
* |
http://almadenminerals.com/20181231/role/statement-note-10-net-loss-per-share-details-textual |
| 772 |
Statement Table [Table] |
Table |
* |
* |
aau:StatementTable |
| 773 |
Legal Entity [Axis] |
Axis |
|
|
dei:LegalEntityAxis |
| 774 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
| 775 |
Statement Line Items [Line Items] |
LineItems |
|
|
aau:StatementLineItems |
| 776 |
Profit (loss) from continuing operations |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLossFromContinuingOperations |
| 777 |
Weighted average number of ordinary shares outstanding |
Concept (Shares) |
For Period |
|
ifrs-full:WeightedAverageShares |
| 778 |
053 - Disclosure - Note 11 - Supplemental Cash Flow Information - Schedule of Cash Flow Information (Details) |
Network |
* |
* |
http://almadenminerals.com/20181231/role/statement-note-11-supplemental-cash-flow-information-schedule-of-cash-flow-information-details |
| 779 |
Statement Table [Table] |
Table |
* |
* |
aau:StatementTable |
| 780 |
Components of equity [axis] |
Axis |
|
|
ifrs-full:ComponentsOfEquityAxis |
| 781 |
Equity [member] |
Member |
|
|
ifrs-full:EquityMember |
| 782 |
Issued capital [member] |
Member |
|
|
ifrs-full:IssuedCapitalMember |
| 783 |
Legal Entity [Axis] |
Axis |
|
|
dei:LegalEntityAxis |
| 784 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
| 785 |
Statement Line Items [Line Items] |
LineItems |
|
|
aau:StatementLineItems |
| 786 |
Exploration and evaluation assets expenditures included in trade and other payables |
Concept (Monetary) |
For Period |
Credit |
aau:ExplorationAndEvaluationAssetsExpendituresIncludedInTradeAndOtherPayables |
| 787 |
Fair value of finders’ warrants |
Concept (Monetary) |
For Period |
Credit |
aau:FairValueOfFindersWarrants |
| 788 |
Fair value of finders’ warrants transferred to share capital on exercise of finders’ warrants |
Concept (Monetary) |
For Period |
Credit |
aau:FairValueOfFindersWarrantsTransferredToShareCapitalOnExerciseOfFindersWarrants |
| 789 |
Fair value of cash stock options transferred to share capital on exercise of options |
Concept (Monetary) |
For Period |
Credit |
aau:FairValueOfCashStockOptionsTransferredToShareCapitalOnExerciseOfOptions |
| 790 |
Fair value of cashless stock options transferred to share capital on exercise of options |
Concept (Monetary) |
For Period |
Credit |
aau:FairValueOfCashlessStockOptionsTransferredToShareCapitalOnExerciseOfOptions |
| 791 |
Cash |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:Cash |
| 792 |
Term Deposits |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:ShorttermDepositsClassifiedAsCashEquivalents |
| 793 |
Total cash and cash equivalents |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CashAndCashEquivalents |
| 794 |
054 - Disclosure - Note 12 - Income Taxes (Details Textual) |
Network |
* |
* |
http://almadenminerals.com/20181231/role/statement-note-12-income-taxes-details-textual |
| 795 |
Statement Table [Table] |
Table |
* |
* |
aau:StatementTable |
| 796 |
Geographical areas [axis] |
Axis |
|
|
ifrs-full:GeographicalAreasAxis |
| 797 |
Geographical areas [member] |
Member |
|
|
ifrs-full:GeographicalAreasMember |
| 798 |
British Columbia [member] |
Member |
|
|
aau:BritishColumbiaMember |
| 799 |
Federal and Provincial British Columbia [member] |
Member |
|
|
aau:FederalAndProvincialBritishColumbiaMember |
| 800 |
Geographical [Axis] |
Axis |
|
|
srt:StatementGeographicalAxis |
| 801 |
Geographical [Domain] |
Member |
|
|
srt:SegmentGeographicalDomain |
| 802 |
CANADA |
Member |
|
|
country:CA |
| 803 |
MEXICO |
Member |
|
|
country:MX |
| 804 |
Legal Entity [Axis] |
Axis |
|
|
dei:LegalEntityAxis |
| 805 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
| 806 |
Statement Line Items [Line Items] |
LineItems |
|
|
aau:StatementLineItems |
| 807 |
Applicable tax rate |
Concept (Percent) |
For Period |
|
ifrs-full:ApplicableTaxRate |
| 808 |
Operating loss carryforwards |
Concept (Monetary) |
As Of |
Debit |
aau:OperatingLossCarryforwards |
| 809 |
055 - Disclosure - Note 12 - Income Taxes - Schedule of Deferred Income Taxes (Details) |
Network |
* |
* |
http://almadenminerals.com/20181231/role/statement-note-12-income-taxes-schedule-of-deferred-income-taxes-details |
| 810 |
Statement Table [Table] |
Table |
* |
* |
aau:StatementTable |
| 811 |
Legal Entity [Axis] |
Axis |
|
|
dei:LegalEntityAxis |
| 812 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
| 813 |
Statement Line Items [Line Items] |
LineItems |
|
|
aau:StatementLineItems |
| 814 |
Loss before income taxes |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:AccountingProfit |
| 815 |
Statutory rate |
Concept (Percent) |
For Period |
|
ifrs-full:ApplicableTaxRate |
| 816 |
Expected income tax |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:TaxExpenseIncomeAtApplicableTaxRate |
| 817 |
Effect of different tax rates in foreign jurisdictions |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:TaxEffectOfForeignTaxRates |
| 818 |
Non-deductible share-based payments |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:TaxEffectOfExpenseNotDeductibleInDeterminingTaxableProfitTaxLoss |
| 819 |
Other permanent items |
Concept (Monetary) |
For Period |
Debit |
aau:TaxEffectOfOtherPermanentItems |
| 820 |
Change in deferred tax assets not recognized |
Concept (Monetary) |
For Period |
Debit |
aau:TaxEffectOfChangesInTaxAssetsNotRecognized |
| 821 |
Impact of change in tax rates |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:TaxEffectFromChangeInTaxRate |
| 822 |
Impact of change in expected manner of recovery |
Concept (Monetary) |
For Period |
Debit |
aau:TaxEffectOfChangesInExpectedMannerRecovery |
| 823 |
Share issuance costs |
Concept (Monetary) |
For Period |
Debit |
aau:TaxEffectFromShareIssuanceCosts |
| 824 |
True-ups and other |
Concept (Monetary) |
For Period |
Debit |
aau:TaxEffectOfTrueupsAndOther |
| 825 |
Deferred income tax (recovery) expenses |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:DeferredTaxExpenseIncome |
| 826 |
056 - Disclosure - Note 12 - Income Taxes - Deferred Tax Assets and Liabilities (Details) |
Network |
* |
* |
http://almadenminerals.com/20181231/role/statement-note-12-income-taxes-deferred-tax-assets-and-liabilities-details |
| 827 |
Statement Table [Table] |
Table |
* |
* |
aau:StatementTable |
| 828 |
Legal Entity [Axis] |
Axis |
|
|
dei:LegalEntityAxis |
| 829 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
| 830 |
Statement Line Items [Line Items] |
LineItems |
|
|
aau:StatementLineItems |
| 831 |
Non-capital losses |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:DeferredTaxAssets |
| 832 |
Exploration and evaluation assets |
Concept (Monetary) |
As Of |
Credit |
aau:DeferredTaxLiabilitiesExplorationAndEvaluation |
| 833 |
Net deferred tax liabilities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:DeferredTaxLiabilityAsset |
| 834 |
057 - Disclosure - Note 12 - Income Taxes - Deductible Temporary Differences (Details) |
Network |
* |
* |
http://almadenminerals.com/20181231/role/statement-note-12-income-taxes-deductible-temporary-differences-details |
| 835 |
Statement Table [Table] |
Table |
* |
* |
aau:StatementTable |
| 836 |
Temporary difference, unused tax losses and unused tax credits [axis] |
Axis |
|
|
ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis |
| 837 |
Temporary difference, unused tax losses and unused tax credits [member] |
Member |
|
|
ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember |
| 838 |
Non-capital loss carry forwards [member] |
Member |
|
|
aau:NoncapitalLossCarryForwardsMember |
| 839 |
Capital loss carry forwards [member] |
Member |
|
|
aau:CapitalLossCarryForwardsMember |
| 840 |
Exploration and evaluation assets deductible differences [member] |
Member |
|
|
aau:ExplorationAndEvaluationAssetsDeductibleDifferencesMember |
| 841 |
Share issue costs [member] |
Member |
|
|
aau:ShareIssueCostsMember |
| 842 |
Property, plant and equipment deductible temporary differences [member] |
Member |
|
|
aau:PropertyPlantAndEquipmentDeductibleTemporaryDifferencesMember |
| 843 |
Cumulative eligible capital deduction [member] |
Member |
|
|
aau:CumulativeEligibleCapitalDeductionMember |
| 844 |
Investment tax credit [member] |
Member |
|
|
aau:InvestmentTaxCreditMember |
| 845 |
Legal Entity [Axis] |
Axis |
|
|
dei:LegalEntityAxis |
| 846 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
| 847 |
Statement Line Items [Line Items] |
LineItems |
|
|
aau:StatementLineItems |
| 848 |
Deductible temporary differences |
Concept (Monetary) |
As Of |
|
ifrs-full:DeductibleTemporaryDifferencesForWhichNoDeferredTaxAssetIsRecognised |
| 849 |
058 - Disclosure - Note 13 - Commitments - Remaining Payments Due (Details) |
Network |
* |
* |
http://almadenminerals.com/20181231/role/statement-note-13-commitments-remaining-payments-due-details |
| 850 |
Statement Table [Table] |
Table |
* |
* |
aau:StatementTable |
| 851 |
Maturity [axis] |
Axis |
|
|
ifrs-full:MaturityAxis |
| 852 |
Aggregated time bands [member] |
Member |
|
|
ifrs-full:AggregatedTimeBandsMember |
| 853 |
Not later than one year [member] |
Member |
|
|
ifrs-full:NotLaterThanOneYearMember |
| 854 |
Later than one year and not later than two years [member] |
Member |
|
|
ifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMember |
| 855 |
Later than two years and not later than three years [member] |
Member |
|
|
ifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMember |
| 856 |
Later than three years and not later than four years [member] |
Member |
|
|
ifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMember |
| 857 |
Later than four years and not later than five years [member] |
Member |
|
|
ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMember |
| 858 |
Legal Entity [Axis] |
Axis |
|
|
dei:LegalEntityAxis |
| 859 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
| 860 |
Statement Line Items [Line Items] |
LineItems |
|
|
aau:StatementLineItems |
| 861 |
Office lease |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:MinimumFinanceLeasePaymentsPayable |
| 862 |
059 - Disclosure - Note 14 - Financial Instruments (Details Textual) |
Network |
* |
* |
http://almadenminerals.com/20181231/role/statement-note-14-financial-instruments-details-textual |
| 863 |
Statement Table [Table] |
Table |
* |
* |
aau:StatementTable |
| 864 |
Legal Entity [Axis] |
Axis |
|
|
dei:LegalEntityAxis |
| 865 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
| 866 |
Statement Line Items [Line Items] |
LineItems |
|
|
aau:StatementLineItems |
| 867 |
Possible effect of 10% change in exchange rate regarding the USD to the net income (loss) |
Concept (Monetary) |
For Period |
Credit |
aau:PossibleEffectOf10ChangeInExchangeRateRegardingTheUSDToTheNetIncomeLoss |
| 868 |
Possible effect of 10% change in exchange rate regarding the MXN to the net income (loss) |
Concept (Monetary) |
For Period |
Credit |
aau:PossibleEffectOf10ChangeInExchangeRateRegardingTheMxnToTheNetIncomeLoss |
| 869 |
Possible effect of 1% change in the interest rate to the net income (loss) |
Concept (Monetary) |
For Period |
Credit |
aau:PossibleEffectOf1ChangeInTheInterestRateToTheNetIncomeLoss |
| 870 |
060 - Disclosure - Note 14 - Financial Instruments - Assets and Liabilities (Details) |
Network |
* |
* |
http://almadenminerals.com/20181231/role/statement-note-14-financial-instruments-assets-and-liabilities-details |
| 871 |
Statement Table [Table] |
Table |
* |
* |
aau:StatementTable |
| 872 |
Categories of financial assets [axis] |
Axis |
|
|
ifrs-full:CategoriesOfFinancialAssetsAxis |
| 873 |
Financial assets, category [member] |
Member |
|
|
ifrs-full:FinancialAssetsCategoryMember |
| 874 |
Loans and receivables, category [member] |
Member |
|
|
ifrs-full:LoansAndReceivablesCategoryMember |
| 875 |
Classes of financial assets [axis] |
Axis |
|
|
ifrs-full:ClassesOfFinancialAssetsAxis |
| 876 |
Financial assets, class [member] |
Member |
|
|
ifrs-full:FinancialAssetsMember |
| 877 |
Cash and cash equivalents [member] |
Member |
|
|
aau:CashAndCashEquivalentsMember |
| 878 |
Trade receivables [member] |
Member |
|
|
ifrs-full:TradeReceivablesMember |
| 879 |
Categories of financial liabilities [axis] |
Axis |
|
|
ifrs-full:CategoriesOfFinancialLiabilitiesAxis |
| 880 |
Financial liabilities, category [member] |
Member |
|
|
ifrs-full:FinancialLiabilitiesCategoryMember |
| 881 |
Financial liabilities at amortised cost, category [member] |
Member |
|
|
ifrs-full:FinancialLiabilitiesAtAmortisedCostCategoryMember |
| 882 |
Classes of financial liabilities [axis] |
Axis |
|
|
ifrs-full:ClassesOfFinancialLiabilitiesAxis |
| 883 |
Financial liabilities, class [member] |
Member |
|
|
ifrs-full:FinancialLiabilitiesMember |
| 884 |
Trade and other payables [member] |
Member |
|
|
aau:TradeAndOtherPayablesMember |
| 885 |
Legal Entity [Axis] |
Axis |
|
|
dei:LegalEntityAxis |
| 886 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
| 887 |
Statement Line Items [Line Items] |
LineItems |
|
|
aau:StatementLineItems |
| 888 |
Financial assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:FinancialAssets |
| 889 |
Financial liabilities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:FinancialLiabilities |
| 890 |
Net assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:NetAssetsLiabilities |
| 891 |
061 - Disclosure - Note 15 - Management of Capital (Details Textual) |
Network |
* |
* |
http://almadenminerals.com/20181231/role/statement-note-15-management-of-capital-details-textual |
| 892 |
Statement Table [Table] |
Table |
* |
* |
aau:StatementTable |
| 893 |
Legal Entity [Axis] |
Axis |
|
|
dei:LegalEntityAxis |
| 894 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
| 895 |
Statement Line Items [Line Items] |
LineItems |
|
|
aau:StatementLineItems |
| 896 |
Dividends recognised as distributions to owners |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:DividendsPaid |
| 897 |
062 - Disclosure - Note 16 - Segmented Information (Details Textual) |
Network |
* |
* |
http://almadenminerals.com/20181231/role/statement-note-16-segmented-information-details-textual |
| 898 |
Statement Table [Table] |
Table |
* |
* |
aau:StatementTable |
| 899 |
Legal Entity [Axis] |
Axis |
|
|
dei:LegalEntityAxis |
| 900 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
| 901 |
Statement Line Items [Line Items] |
LineItems |
|
|
aau:StatementLineItems |
| 902 |
Number of reportable segments |
Concept (Integer) |
For Period |
|
aau:NumberOfReportableSegments |
| 903 |
063 - Disclosure - Note 16 - Segmented Information - Schedule of Non-current Assets (Details) |
Network |
* |
* |
http://almadenminerals.com/20181231/role/statement-note-16-segmented-information-schedule-of-noncurrent-assets-details |
| 904 |
Statement Table [Table] |
Table |
* |
* |
aau:StatementTable |
| 905 |
Geographical [Axis] |
Axis |
|
|
srt:StatementGeographicalAxis |
| 906 |
Geographical [Domain] |
Member |
|
|
srt:SegmentGeographicalDomain |
| 907 |
CANADA |
Member |
|
|
country:CA |
| 908 |
UNITED STATES |
Member |
|
|
country:US |
| 909 |
MEXICO |
Member |
|
|
country:MX |
| 910 |
Legal Entity [Axis] |
Axis |
|
|
dei:LegalEntityAxis |
| 911 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
| 912 |
Statement Line Items [Line Items] |
LineItems |
|
|
aau:StatementLineItems |
| 913 |
Non-current assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:NoncurrentAssetsOtherThanFinancialInstrumentsDeferredTaxAssetsPostemploymentBenefitAssetsAndRightsArisingUnderInsuranceContracts |
| 914 |
064 - Disclosure - Note 17 - Subsequent Events (Details Textual) |
Network |
* |
* |
http://almadenminerals.com/20181231/role/statement-note-17-subsequent-events-details-textual |
| 915 |
Statement Table [Table] |
Table |
* |
* |
aau:StatementTable |
| 916 |
Categories of related parties [axis] |
Axis |
|
|
ifrs-full:CategoriesOfRelatedPartiesAxis |
| 917 |
Entity's total for related parties [member] |
Member |
|
|
ifrs-full:EntitysTotalForRelatedPartiesMember |
| 918 |
Consultant, officers, and directors [member] |
Member |
|
|
aau:ConsultantOfficersAndDirectorsMember |
| 919 |
Non-adjusting events after reporting period [axis] |
Axis |
|
|
ifrs-full:NonadjustingEventsAfterReportingPeriodAxis |
| 920 |
Non-adjusting events after reporting period [member] |
Member |
|
|
ifrs-full:NonadjustingEventsMember |
| 921 |
Major stock option transactions [member] |
Member |
|
|
aau:MajorStockOptionTransactionsMember |
| 922 |
Potential ordinary share transactions [member] |
Member |
|
|
ifrs-full:PotentialOrdinaryShareTransactionsMember |
| 923 |
Legal Entity [Axis] |
Axis |
|
|
dei:LegalEntityAxis |
| 924 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
| 925 |
Statement Line Items [Line Items] |
LineItems |
|
|
aau:StatementLineItems |
| 926 |
Number of share options granted in share-based payment arrangement |
Concept (Decimal) |
For Period |
|
ifrs-full:NumberOfShareOptionsGrantedInSharebasedPaymentArrangement |
| 927 |
Fair value exercise price of share options granted in share-based payment arrangment |
Concept (Monetary) |
For Period |
|
aau:FairValueExercisePriceOfShareOptionsGrantedInSharebasedPaymentArrangment |
| 928 |
Weighted average exercise price of share options outstanding in share-based payment arrangement at end of period |
Concept (Monetary) |
As Of |
|
ifrs-full:WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement |