<?xml version="1.0" encoding="utf-8"?>
<FilingSummary xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <Version>2.4.0.8</Version>
  <ProcessingTime />
  <ReportFormat>Html</ReportFormat>
  <ContextCount>311</ContextCount>
  <ElementCount>268</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>false</FootnotesReported>
  <SegmentCount>64</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>4</UnitCount>
  <MyReports>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>000 - Disclosure - Document And Entity Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://hometownbankva.com/role/DocumentAndEntityInformation</Role>
      <ShortName>Document And Entity Information</ShortName>
    </Report>
    <Report>
      <IsDefault>true</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>001 - Statement - Consolidated Balance Sheets (Current Period Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://hometownbankva.com/role/ConsolidatedBalanceSheet</Role>
      <ShortName>Consolidated Balance Sheets (Current Period Unaudited)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>002 - Statement - Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://hometownbankva.com/role/ConsolidatedBalanceSheet_Parentheticals</Role>
      <ShortName>Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>003 - Statement - Consolidated Statements Of Income (Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://hometownbankva.com/role/ConsolidatedIncomeStatement</Role>
      <ShortName>Consolidated Statements Of Income (Unaudited)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>004 - Statement - Consolidated Statements of Comprehensive Income (Loss) (Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://hometownbankva.com/role/ConsolidatedIncomeStatement0</Role>
      <ShortName>Consolidated Statements of Comprehensive Income (Loss) (Unaudited)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>005 - Statement - Consolidated Statements of Cash Flows (Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://hometownbankva.com/role/ConsolidatedCashFlow</Role>
      <ShortName>Consolidated Statements of Cash Flows (Unaudited)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>006 - Disclosure - Note 1 - Organization and Summary of Significant Accounting Policies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://hometownbankva.com/role/Note1OrganizationandSummaryofSignificantAccountingPolicies</Role>
      <ShortName>Note 1 - Organization and Summary of Significant Accounting Policies</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>007 - Disclosure - Note 2 - Investment Securities</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://hometownbankva.com/role/Note2InvestmentSecurities</Role>
      <ShortName>Note 2 - Investment Securities</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>008 - Disclosure - Note 3 - Loans Receivable</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://hometownbankva.com/role/Note3LoansReceivable</Role>
      <ShortName>Note 3 - Loans Receivable</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>009 - Disclosure - Note 4 - Allowance for Loan Losses</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://hometownbankva.com/role/Note4AllowanceforLoanLosses</Role>
      <ShortName>Note 4 - Allowance for Loan Losses</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>010 - Disclosure - Note 5 - Foreclosed Properties</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://hometownbankva.com/role/Note5ForeclosedProperties</Role>
      <ShortName>Note 5 - Foreclosed Properties</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>011 - Disclosure - Note 6 - Stock Based Compensation</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://hometownbankva.com/role/Note6StockBasedCompensation</Role>
      <ShortName>Note 6 - Stock Based Compensation</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>012 - Disclosure - Note 7 - Fair Value Measurements</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://hometownbankva.com/role/Note7FairValueMeasurements</Role>
      <ShortName>Note 7 - Fair Value Measurements</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>013 - Disclosure - Note 8 - Capital Transaction</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://hometownbankva.com/role/Note8CapitalTransaction</Role>
      <ShortName>Note 8 - Capital Transaction</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>014 - Disclosure - Note 9 - Reclassifications Out of Other Comprehensive Income</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://hometownbankva.com/role/Note9ReclassificationsOutofOtherComprehensiveIncome</Role>
      <ShortName>Note 9 - Reclassifications Out of Other Comprehensive Income</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>015 - Disclosure - Note 10 - Earnings per Share</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://hometownbankva.com/role/Note10EarningsperShare</Role>
      <ShortName>Note 10 - Earnings per Share</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>016 - Disclosure - Note 11 - Contingencies and Other Matters</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://hometownbankva.com/role/Note11ContingenciesandOtherMatters</Role>
      <ShortName>Note 11 - Contingencies and Other Matters</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>017 - Disclosure - Note 12 - Subsequent Events</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://hometownbankva.com/role/Note12SubsequentEvents</Role>
      <ShortName>Note 12 - Subsequent Events</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>018 - Disclosure - Accounting Policies, by Policy (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://hometownbankva.com/role/AccountingPoliciesByPolicy</Role>
      <ShortName>Accounting Policies, by Policy (Policies)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>019 - Disclosure - Note 2 - Investment Securities (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://hometownbankva.com/role/Note2InvestmentSecuritiesTables</Role>
      <ShortName>Note 2 - Investment Securities (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>020 - Disclosure - Note 3 - Loans Receivable (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://hometownbankva.com/role/Note3LoansReceivableTables</Role>
      <ShortName>Note 3 - Loans Receivable (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>021 - Disclosure - Note 4 - Allowance for Loan Losses (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://hometownbankva.com/role/Note4AllowanceforLoanLossesTables</Role>
      <ShortName>Note 4 - Allowance for Loan Losses (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>022 - Disclosure - Note 5 - Foreclosed Properties (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://hometownbankva.com/role/Note5ForeclosedPropertiesTables</Role>
      <ShortName>Note 5 - Foreclosed Properties (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>023 - Disclosure - Note 6 - Stock Based Compensation (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://hometownbankva.com/role/Note6StockBasedCompensationTables</Role>
      <ShortName>Note 6 - Stock Based Compensation (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>024 - Disclosure - Note 7 - Fair Value Measurements (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://hometownbankva.com/role/Note7FairValueMeasurementsTables</Role>
      <ShortName>Note 7 - Fair Value Measurements (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>025 - Disclosure - Note 9 - Reclassifications Out of Other Comprehensive Income (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://hometownbankva.com/role/Note9ReclassificationsOutofOtherComprehensiveIncomeTables</Role>
      <ShortName>Note 9 - Reclassifications Out of Other Comprehensive Income (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.htm</HtmlFileName>
      <LongName>026 - Disclosure - Note 10 - Earnings per Share (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://hometownbankva.com/role/Note10EarningsperShareTables</Role>
      <ShortName>Note 10 - Earnings per Share (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R28.htm</HtmlFileName>
      <LongName>027 - Disclosure - Note 1 - Organization and Summary of Significant Accounting Policies (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://hometownbankva.com/role/Note1OrganizationandSummaryofSignificantAccountingPoliciesDetails</Role>
      <ShortName>Note 1 - Organization and Summary of Significant Accounting Policies (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R29.htm</HtmlFileName>
      <LongName>028 - Disclosure - Note 2 - Investment Securities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://hometownbankva.com/role/Note2InvestmentSecuritiesDetails</Role>
      <ShortName>Note 2 - Investment Securities (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R30.htm</HtmlFileName>
      <LongName>029 - Disclosure - Note 2 - Investment Securities (Details) - Amortized Cost and Fair Value of Available for Sale Securities</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://hometownbankva.com/role/AmortizedCostandFairValueofAvailableforSaleSecuritiesTable</Role>
      <ShortName>Note 2 - Investment Securities (Details) - Amortized Cost and Fair Value of Available for Sale Securities</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R31.htm</HtmlFileName>
      <LongName>030 - Disclosure - Note 2 - Investment Securities (Details) - Unrealized Loss Positions of Available for Sale Securities</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://hometownbankva.com/role/UnrealizedLossPositionsofAvailableforSaleSecuritiesTable</Role>
      <ShortName>Note 2 - Investment Securities (Details) - Unrealized Loss Positions of Available for Sale Securities</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R32.htm</HtmlFileName>
      <LongName>031 - Disclosure - Note 2 - Investment Securities (Details) - Amortized Cost and Estimated Fair Value of Available for Sale Securities by Contractual Maturity</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://hometownbankva.com/role/AmortizedCostandEstimatedFairValueofAvailableforSaleSecuritiesbyContractualMaturityTable</Role>
      <ShortName>Note 2 - Investment Securities (Details) - Amortized Cost and Estimated Fair Value of Available for Sale Securities by Contractual Maturity</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R33.htm</HtmlFileName>
      <LongName>032 - Disclosure - Note 3 - Loans Receivable (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://hometownbankva.com/role/Note3LoansReceivableDetails</Role>
      <ShortName>Note 3 - Loans Receivable (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R34.htm</HtmlFileName>
      <LongName>033 - Disclosure - Note 3 - Loans Receivable (Details) - Loans Receivable</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://hometownbankva.com/role/LoansReceivableTable</Role>
      <ShortName>Note 3 - Loans Receivable (Details) - Loans Receivable</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R35.htm</HtmlFileName>
      <LongName>034 - Disclosure - Note 3 - Loans Receivable (Details) - Past Due and Non-accrual Status of Loans</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://hometownbankva.com/role/PastDueandNonaccrualStatusofLoansTable</Role>
      <ShortName>Note 3 - Loans Receivable (Details) - Past Due and Non-accrual Status of Loans</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R36.htm</HtmlFileName>
      <LongName>035 - Disclosure - Note 3 - Loans Receivable (Details) - Impaired Loans</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://hometownbankva.com/role/ImpairedLoansTable</Role>
      <ShortName>Note 3 - Loans Receivable (Details) - Impaired Loans</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R37.htm</HtmlFileName>
      <LongName>036 - Disclosure - Note 3 - Loans Receivable (Details) - TDR Modifications</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://hometownbankva.com/role/TDRModificationsTable</Role>
      <ShortName>Note 3 - Loans Receivable (Details) - TDR Modifications</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R38.htm</HtmlFileName>
      <LongName>037 - Disclosure - Note 4 - Allowance for Loan Losses (Details) - Allowance for Loan Losses</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://hometownbankva.com/role/AllowanceforLoanLossesTable</Role>
      <ShortName>Note 4 - Allowance for Loan Losses (Details) - Allowance for Loan Losses</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R39.htm</HtmlFileName>
      <LongName>038 - Disclosure - Note 4 - Allowance for Loan Losses (Details) - Loans by Credit Quality Indicators</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://hometownbankva.com/role/LoansbyCreditQualityIndicatorsTable</Role>
      <ShortName>Note 4 - Allowance for Loan Losses (Details) - Loans by Credit Quality Indicators</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R40.htm</HtmlFileName>
      <LongName>039 - Disclosure - Note 5 - Foreclosed Properties (Details) - Changes in Valuation Allowance on Foreclosed Properties</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://hometownbankva.com/role/ChangesinValuationAllowanceonForeclosedPropertiesTable</Role>
      <ShortName>Note 5 - Foreclosed Properties (Details) - Changes in Valuation Allowance on Foreclosed Properties</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R41.htm</HtmlFileName>
      <LongName>040 - Disclosure - Note 5 - Foreclosed Properties (Details) - Major Classification of Other Real Estate Owned in Consolidated Balance Sheets</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://hometownbankva.com/role/MajorClassificationofOtherRealEstateOwnedinConsolidatedBalanceSheetsTable</Role>
      <ShortName>Note 5 - Foreclosed Properties (Details) - Major Classification of Other Real Estate Owned in Consolidated Balance Sheets</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R42.htm</HtmlFileName>
      <LongName>041 - Disclosure - Note 6 - Stock Based Compensation (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://hometownbankva.com/role/Note6StockBasedCompensationDetails</Role>
      <ShortName>Note 6 - Stock Based Compensation (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R43.htm</HtmlFileName>
      <LongName>042 - Disclosure - Note 6 - Stock Based Compensation (Details) - Restricted Stock Awards Activity</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://hometownbankva.com/role/RestrictedStockAwardsActivityTable</Role>
      <ShortName>Note 6 - Stock Based Compensation (Details) - Restricted Stock Awards Activity</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R44.htm</HtmlFileName>
      <LongName>043 - Disclosure - Note 7 - Fair Value Measurements (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://hometownbankva.com/role/Note7FairValueMeasurementsDetails</Role>
      <ShortName>Note 7 - Fair Value Measurements (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R45.htm</HtmlFileName>
      <LongName>044 - Disclosure - Note 7 - Fair Value Measurements (Details) - Fair Value of Financial Assets and Liabililties Measure on Recurring Basis</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://hometownbankva.com/role/FairValueofFinancialAssetsandLiabililtiesMeasureonRecurringBasisTable</Role>
      <ShortName>Note 7 - Fair Value Measurements (Details) - Fair Value of Financial Assets and Liabililties Measure on Recurring Basis</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R46.htm</HtmlFileName>
      <LongName>045 - Disclosure - Note 7 - Fair Value Measurements (Details) - Fair Value of Financial Assets and Liabililties Measure on Non-Recurring Basis</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://hometownbankva.com/role/FairValueofFinancialAssetsandLiabililtiesMeasureonNonRecurringBasisTable</Role>
      <ShortName>Note 7 - Fair Value Measurements (Details) - Fair Value of Financial Assets and Liabililties Measure on Non-Recurring Basis</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R47.htm</HtmlFileName>
      <LongName>046 - Disclosure - Note 7 - Fair Value Measurements (Details) - Level 3 Asset Quantitative Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://hometownbankva.com/role/Level3AssetQuantitativeInformationTable</Role>
      <ShortName>Note 7 - Fair Value Measurements (Details) - Level 3 Asset Quantitative Information</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R48.htm</HtmlFileName>
      <LongName>047 - Disclosure - Note 7 - Fair Value Measurements (Details) - Carrying Amount and Approximate Fair Value of Financial Instruments</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://hometownbankva.com/role/CarryingAmountandApproximateFairValueofFinancialInstrumentsTable</Role>
      <ShortName>Note 7 - Fair Value Measurements (Details) - Carrying Amount and Approximate Fair Value of Financial Instruments</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R49.htm</HtmlFileName>
      <LongName>048 - Disclosure - Note 8 - Capital Transaction (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://hometownbankva.com/role/Note8CapitalTransactionDetails</Role>
      <ShortName>Note 8 - Capital Transaction (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R50.htm</HtmlFileName>
      <LongName>049 - Disclosure - Note 9 - Reclassifications Out of Other Comprehensive Income (Details) - Items Not Reclassified in Their Entirety to Net Income</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://hometownbankva.com/role/ItemsNotReclassifiedinTheirEntiretytoNetIncomeTable</Role>
      <ShortName>Note 9 - Reclassifications Out of Other Comprehensive Income (Details) - Items Not Reclassified in Their Entirety to Net Income</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R51.htm</HtmlFileName>
      <LongName>050 - Disclosure - Note 9 - Reclassifications Out of Other Comprehensive Income (Details) - Items Not Reclassified in Their Entirety to Net Income 1</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://hometownbankva.com/role/ItemsNotReclassifiedinTheirEntiretytoNetIncome1Table</Role>
      <ShortName>Note 9 - Reclassifications Out of Other Comprehensive Income (Details) - Items Not Reclassified in Their Entirety to Net Income 1</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R52.htm</HtmlFileName>
      <LongName>051 - Disclosure - Note 10 - Earnings per Share (Details) - Earnings Per Common Share</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://hometownbankva.com/role/EarningsPerCommonShareTable</Role>
      <ShortName>Note 10 - Earnings per Share (Details) - Earnings Per Common Share</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <Logs>
    <Log type="Info">Element us-gaap_FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment had a mix of decimals attribute values: -3 0.</Log>
    <Log type="Info">Element us-gaap_ImpairedFinancingReceivableRelatedAllowance had a mix of decimals attribute values: -3 0.</Log>
    <Log type="Info">'Monetary' elements on report '032 - Disclosure - Note 3 - Loans Receivable (Details)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '035 - Disclosure - Note 3 - Loans Receivable (Details) - Impaired Loans' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '037 - Disclosure - Note 4 - Allowance for Loan Losses (Details) - Allowance for Loan Losses' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '041 - Disclosure - Note 6 - Stock Based Compensation (Details)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">Process Flow-Through: 001 - Statement - Consolidated Balance Sheets (Current Period Unaudited)</Log>
    <Log type="Info">	Process Flow-Through: Removing column 'Sep. 30, 2012'</Log>
    <Log type="Info">	Process Flow-Through: Removing column 'Dec. 31, 2011'</Log>
    <Log type="Info">Process Flow-Through: 002 - Statement - Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals)</Log>
    <Log type="Info">	Process Flow-Through: Removing column 'Sep. 30, 2012'</Log>
    <Log type="Info">	Process Flow-Through: Removing column 'Dec. 31, 2011'</Log>
    <Log type="Info">Process Flow-Through: 003 - Statement - Consolidated Statements Of Income (Unaudited)</Log>
    <Log type="Info">	Process Flow-Through: Removing column '12 Months Ended
Dec. 31, 2012'</Log>
    <Log type="Info">Process Flow-Through: 004 - Statement - Consolidated Statements of Comprehensive Income (Loss) (Unaudited)</Log>
    <Log type="Info">Process Flow-Through: 005 - Statement - Consolidated Statements of Cash Flows (Unaudited)</Log>
  </Logs>
  <InputFiles>
    <File>hmta-20130930.xml</File>
    <File>hmta-20130930.xsd</File>
    <File>hmta-20130930_cal.xml</File>
    <File>hmta-20130930_def.xml</File>
    <File>hmta-20130930_lab.xml</File>
    <File>hmta-20130930_pre.xml</File>
  </InputFiles>
  <SupplementalFiles />
  <BaseTaxonomies />
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
