Document And Entity Information
Note To Financial Statement Details Textual
statementsignificantaccountingpoliciespolicies
Expenses:
statementnote1organizationandsummaryofsignificantaccountingpoliciestables
statementnote2supplementarycashflowinformationtables
statementnote3relatedpartytransactionstables
statementnote4investmentstables
statementnote5variableinterestentitytables
Amendment Flag
us-gaap_DisclosureTextBlockAbstract
Notes to Financial Statements
statementnote6propertyandequipmenttables
statementnote7federalstateandlocalincometaxestables
us-gaap_TreasuryStockValue
Balance as of April 30, 2013 (1)
Balance as of April 30, 2014
Treasury stock, at cost (243,411 shares and 190,504 shares, respectively)
statementnote9leasecommitmentstables
us-gaap_TreasuryStockValueAcquiredCostMethod
Purchase of treasury stock
Treasury Stock, Value, Acquired, Cost Method
Purchase of treasury stock
statementnote11comprehensiveincometables
statementnote13treasurystockandrepurchaseprogramtables
statementnote15businesssegmentstables
statementnote1scheduleoffairvaluemeasurementsofinvestmentsdetails
statementnote2scheduleofcashflowsupplementaldisclosuresdetails
us-gaap_DeferredTaxAssetsOther
Other - deferred charges
statementnote4scheduleofcarryingvalueandfairvalueofsecuritiesavailableforsaledetails
statementnote3scheduleofnonvotingrevenuesinterestandnonvotingprofitsinterestsdetails
Changes in operating assets and liabilities:
statementnote4scheduleofcomponentsofeamsinvestmentmanagementoperationsdetails
Document Fiscal Year Focus
statementnote4scheduleofincomefromsecuritiestransactionsdetails
Document Fiscal Period Focus
statementnote5scheduleoftotalassetsthemaximumexposuretolossvalueoftheassetsandliabilitiesineamdetails
statementnote4scheduleofassetsandliabilitiesdetails
statementnote7scheduleofprovisionforincometaxesdetails
statementnote6scheduleofpropertyandequipmentdetails
Document Period End Date
statementnote7scheduleofeffectiveincometaxratereconciliationdetails
statementnote7scheduleofcomponentsofdeferredtaxassetanddeferredtaxliabilitydetails
us-gaap_InvestmentsFairValueDisclosure
us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax
Change in unrealized gains on securities
statementnote11componentsofcomprehensiveincomethatareincludedinconsolidatedstatementofchangesinshareholdersequitydetails
Current Fiscal Year End Date
statementnote9scheduleoffutureminimumpaymentsdetails
us-gaap_CashAndCashEquivalentsFairValueDisclosure
Cash and Cash Equivalents, Fair Value Disclosure
Production and distribution
statementnote15quarterlyfinancialinfromationdetails
statementnote13scheduleoftreasurystockatcostdetails
Notes To Financial Statements [Abstract]
Notes To Financial Statements
Deferred income taxes
Total federal tax benefit
us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax
Less: Gains realized in net income
us-gaap_EffectiveIncomeTaxRateContinuingOperations
Effective income tax rate
Effective Income Tax Rate Reconciliation, Percent
Document Information [Line Items]
Document Information [Table]
us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments
Other, net
us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
Change in unrealized gains on securities
Entity Current Reporting Status
Entity Voluntary Filers
Entity Public Float
Entity Filer Category
Document Type
us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax
Less: Gains realized in net income
Dividends declared
Other comprehensive income/(loss), net of tax:
Change in unrealized gains on securities, net of taxes
Other comprehensive income (loss), available-for-sale securities adjustment, net of tax
us-gaap_CommonStockSharesOutstanding
Balance (in shares)
Balance (in shares)
us-gaap_StockholdersEquity
Balance
Balance
Total shareholders' equity
Cash flows from financing activities:
us-gaap_EffectiveIncomeTaxRateReconciliationTaxSettlementsDomestic
Domestic production tax credit
Entity Well-known Seasoned Issuer
us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic
Income before income taxes
us-gaap_ComprehensiveIncomeNetOfTax
Comprehensive income
Advertising and promotion
Dividends declared per share (in dollars per share)
Value Line Distribution Center ("VLDC") [Member]
Represents company's subsidiary which is Value Line Distribution Center ("VLDC") .
valu_BaseRentIncreaseAmount
Base Rent Increase Amount
Represents base rent increase amount.
Statement of Financial Position [Abstract]
us-gaap_EffectiveIncomeTaxRateReconciliationDeductionsDividends
Effect of dividends received deductions
valu_PercentageOfAnnualDividendReturnOnInvestment
Percentage of Annual Dividend Return on Investment
Represents the percentage of annual dividend return on investment.
valu_PercentageOfNonVotingProfitsInterestsDueFromExSubsidiaryPayableToParentUnderAgreement
Percentage of Non Voting Profits Interests Due from Ex Subsidiary Payable to Parent under Agreement
Represents the stated percentage of non voting profits interests due from ex-subsidiary payable to parent under agreement.
Purchases effected in open market (2) (in shares)
Treasury Stock, Shares, Acquired
Compensation Related Costs, General [Text Block]
us-gaap_AssetsNoncurrent
Total long term assets
Production Expenses Attributable to Additional Accelerated Amortization of Software Costs [Member]
represents production expenses attributable to additional accelerated amortization of internally developed software cost related to the cessation of software development or certain data galleries.
us-gaap_SecurityDeposit
Security Deposit
us-gaap_OtherComprehensiveIncomeAvailableforsaleSecuritiesTaxPortionAttributableToParent
Other comprehensive income (loss), available-for-sale securities, tax (expense)/(benefit)
Related Party Transactions Disclosure [Text Block]
Related Party [Axis]
Statement of Comprehensive Income [Abstract]
Prepaid expenses and other current assets
us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes
State and local income taxes, net of federal income tax benefit
Related Party [Domain]
Seagis Property Group LP (the "Landlord") [Member]
Represents Seagis Property Group LP (the "Landlord").
us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
U.S. statutory federal rate
us-gaap_TableTextBlock
Notes Tables
Statement [Table]
us-gaap_IncreaseDecreaseInIncomeTaxesReceivable
Prepaid and refundable income taxes
us-gaap_OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentBeforeTaxPortionAttributableToParent
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, before Tax, Portion Attributable to Parent
Exchange Traded Funds [Member]
Statement of Stockholders' Equity [Abstract]
Income Statement [Abstract]
valu_ValueOfFund
Value of Fund
Represent value of fund.
Revenue Recognition, Policy [Policy Text Block]
valu_PercentageOfAssetsIncreasedDecreasedInUnconsolidatedEntities
Percentage of Assets Increased (Decreased) in Unconsolidated Entities
Represents the stated percentage of assets increased (decreased) in unconsolidated entities.
us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax
Less: Gains realized in net income
valu_NonVotingRevenuesInterestPercent
Non Voting Revenues Interest Percent
Represents percentage of non-voting revenues interest.
us-gaap_IncreaseDecreaseInAccountsReceivable
Accounts receivable
Value Line Inc [Member]
The registrant that controls, directly or indirectly, another entity (or entities). The usual condition for control is ownership of a majority (over 50%) of the outstanding voting stock. The power to control may also exist with a lesser percentage of ownership, for example, by contract, lease, agreement with other stockholders or by court decree.
Statement of Cash Flows [Abstract]
us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax
Change in unrealized gains on securities
valu_IncreaseDecreaseInAssetsUnderManagement
Increase (Decrease) in Assets under Management
This element represents the amount of increase decrease in the value of assets managed by EAM.
Investment periodicals and related publications
valu_NoncashDeferredRentExpenses
Deferred rent
Represents amount of deferred noncash expenses made by entity during period.
Deferred charges
valu_NonVotingProfitsInterestInUnconsolidatedEntity
Non-voting profits interest in EAM
Non-voting profits interest in EAM Trust
Represents the income received against non voting profits in unconsolidated entity.
us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets
Prepaid expenses and other current assets
valu_NonVotingRevenuesInterestInUnconsolidatedEntity
Non-voting revenues interest in EAM
Non-voting revenues interest in EAM Trust
Represents the income received against non voting revenues in unconsolidated entity.
us-gaap_DeferredRevenueNoncurrent
Unearned revenue
Revenues and Profits Interests in EAM Trust
Represents the revenues and profits distribution from unconsolidated entity.
us-gaap_OperatingLeasesIncomeStatementSubleaseRevenue
Operating Leases, Income Statement, Sublease Revenue
Investment in EAM Trust
Equity Method Investments
us-gaap_AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax
Accumulated Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax
us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit
State and local
us-gaap_CapitalizedComputerSoftwareAmortization1
Capitalized Computer Software, Amortization
us-gaap_CurrentStateAndLocalTaxExpenseBenefit
State and local
Securities available-for-sale
Distributions received from EAM Trust
The cash inflow associated with the Profits or revenue distribution from variable entity.
us-gaap_CapitalizedComputerSoftwareAdditions
Capitalized Computer Software, Additions
Capitalized software and other intangible assets, net
Purchases/sales of securities classified as available-for-sale:
valu_IncreaseDecreaseInOperatingLeaseExitObligation
Operating lease exit obligation
The change in the operating lease exit obligation recorded on the balance sheet, which is needed to adjust net income to arrive at net cash flows provided by or used in operations.
valu_IncreaseDecreaseInReserveForSettlement
Reserve for settlement
The change in the reserve for settlement recorded on the balance sheet, which is needed to adjust net income to arrive at net cash flows provided by or used in operations.
Weighted average number of common shares (in shares)
Salaries and employee benefits
Maximum [Member]
Copyright data fees
Licenses Revenue
Minimum [Member]
Range [Axis]
Range [Domain]
Earnings per Share (in dollars per share)
us-gaap_DeferredTaxLiabilitiesNoncurrent
Deferred tax liability, long term
Total federal tax liability
Equity Securities [Member]
Property, Plant and Equipment [Table Text Block]
us-gaap_ReimbursementRevenue
Reimbursement Revenue
Property, Plant and Equipment Disclosure [Text Block]
us-gaap_OperatingExpenses
Total expenses
Fair Value, Inputs, Level 3 [Member]
Fair Value, Inputs, Level 2 [Member]
Office and administration
State and local income tax payments
Amount represents State and local income tax payments.
valu_PercentageOfCopyrightDataFees
Percentage of Copyright Data Fees
Represents the percentage of copyright data fees during the period.
Citibank, N.A. (The "Sublandlord") [Member]
Represents information about the Citibank, N.A. (the "Sublandlord").
valu_ThirdPartySponsoredAssetsForCopyrightData
Third Party Sponsored Assets for Copyright Data
This element represents amount of third party sponsored assets for copyright data.
valu_NumberOfContractsForCopyrightData
Number of Contracts for Copyright Data
This element represents number of contracts for copyright data.
us-gaap_AvailableForSaleSecurities
Available-for-sale Securities
us-gaap_LeaseAndRentalExpense
Operating Leases, Rent Expense
us-gaap_DeferredTaxLiabilitiesUnrealizedGainsOnTradingSecurities
Unrealized gains on securities available-for-sale
us-gaap_GainLossOnSaleOfSecuritiesNet
Realized gain on sales of equity securities
Retained earnings
Accumulated other comprehensive income, net of tax
us-gaap_LiabilitiesAndStockholdersEquity
Total liabilities and shareholders' equity
Fair Value, Hierarchy [Axis]
Net Revenues
Total revenues
Fair Value Hierarchy [Domain]
Fair Value, Inputs, Level 1 [Member]
Legal Entity [Axis]
us-gaap_IncreaseDecreaseInAccruedSalaries
Accrued salaries
Quarterly Financial Information [Table Text Block]
Entity Registrant Name
Entity Central Index Key
Entity [Domain]
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]
Schedule of Deferred Tax Assets and Liabilities [Table Text Block]
valu_AccruedNonVotingRevenuesAndNonVotingProfitsInterestsPayable
Accrued Non Voting Revenues and Non Voting Profits Interests Payable
Sum of the carrying values as of the balance sheet date of accrued payable non-voting revenues and non-voting profits interests.
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]
valu_CashAndLiquidSecuritiesInExcessOfWorkingCapitalRequirementsContributedToCapitalaccount
Cash and Liquid Securities in Excess of Working Capital Requirements Contributed to CapitalAccount
Represents the cash and liquid securities in excess of working capital requirements contributed to capital account.
valu_FairValueOfContributedCapitalAtInception
Fair Value of Contributed Capital at Inception
Represents the fair value of contributed capital at inception.
us-gaap_DeferredTaxLiabilitiesOther
Other
valu_PercentageOfNonVotingProfitInterest
Percentage of Non Voting Profit Interest
Represents percentage of non-voting profits interest.
Entity Common Stock, Shares Outstanding (in shares)
valu_OperatingLeaseFutureMinimumSubleaseRental
Operating Lease Future Minimum Sublease Rental
Represents operating lease future minimum sublease rental.
valu_AdditionalShortTermOverlappingRentExpense
Additional Short Term Overlapping Rent Expense
Represents the amount of additional short term overlapping rent expense during the period.
us-gaap_DeferredTaxAssetsCapitalLossCarryforwards
Capital loss carryforward
valu_AreaOfLandForLease
Area of Land for Lease
Represents area of land for lease.
Domestic Tax Authority [Member]
Income Tax Authority [Domain]
State and Local Jurisdiction [Member]
Income Tax Authority [Axis]
Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]
us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears
2019
us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears
2018
Segment Reporting Disclosure [Text Block]
Cash and cash equivalents (including short term investments of $12,037 and $5,272, respectively)
Cash and cash equivalents at beginning of year
Cash and cash equivalents at end of year
us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears
2021
us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable
Accrued taxes on income
us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears
2020
Trading Symbol
us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter
2022 and thereafter
us-gaap_AvailableForSaleSecuritiesAmortizedCost
Available-for-sale Securities, Amortized Cost Basis
us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
Gross Unrealized Losses
us-gaap_LiabilitiesNoncurrent
Total long term liabilities
us-gaap_IncreaseDecreaseInDeferredRevenue
Unearned revenue
us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent
2017
us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
Gross Unrealized Gains
valu_OwnershipPercentageByParent
Ownership Percentage By Parent
The parent entity's interest in net assets of the subsidiary, expressed as a percentage.
us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities
Accounts payable & accrued expenses
valu_DeferredTaxesOnUnrealizedGainsOnSecurities
Deferred Taxes on Unrealized Gains on Securities
Represents the deferred tax on unrealized gains on securities.
Schedule of Available-for-sale Securities Reconciliation [Table Text Block]
valu_NonVotingProfitsInterestInVariableEntityNotYetPaid
Non Voting Profits Interest in Variable Entity Not yet Paid
Represents distributable amounts earned through the balance sheet date, which is included in the Investment in variable interest entity and not yet paid.
Federal income tax payments to the Parent
Federal Income Tax Payments to Parent
Amount represents Federal income tax payments to the Parent.
us-gaap_OperatingLeasesFutureMinimumPaymentsDue
valu_NonVotingProfitsInterestPercent
Non Voting Profits Interest Percent
Represents percentage of non-voting profits interest.
valu_PercentageOfNonVotingRevenuesInterestInUnconsolidatedEntity
Percentage of Non Voting Revenues Interest in Unconsolidated Entity
Represents the percentage of non voting revenues interest in unconsolidated entity.
Equity Method Investments, Policy [Policy Text Block]
Common Stock [Member]
Current Assets:
us-gaap_OtherIncome
Other income
Other income
Equity Component [Domain]
us-gaap_InvestmentIncomeInvestmentExpense
Interest expense
Equity Components [Axis]
us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease
Net change in cash and cash equivalents
us-gaap_AvailableForSaleSecuritiesGrossRealizedGains
Available-for-sale Securities, Gross Realized Gains
Additional Paid-in Capital [Member]
Accounts payable and accrued liabilities
Retained Earnings [Member]
Treasury Stock [Member]
Organization, Consolidation and Presentation of Financial Statements Disclosure and Significant Accounting Policies [Text Block]
Comprehensive Income (Loss) [Table Text Block]
Accounts receivable, net of allowance for doubtful accounts of $22 and $32, respectively
Income tax provision
Income tax provision
Class of Stock [Axis]
Allowance for doubtful accounts
us-gaap_EquityMethodInvestmentSummarizedFinancialInformationLiabilities
EAM's total liabilities (1)
Accrued taxes on income
Dividends payable
Short term investments
Summary Investment Holdings [Table Text Block]
us-gaap_EquityMethodInvestmentSummarizedFinancialInformationAssets
EAM's total assets
Schedule of Variable Interest Entities [Table Text Block]
Revenues:
Common stock, par value (in dollars per share)
Accrued salaries
Investment Holdings, Other than Securities [Table Text Block]
Concentration Risk Disclosure [Text Block]
Use of Estimates, Policy [Policy Text Block]
Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block]
Major Types of Debt and Equity Securities [Domain]
Schedule of Non Voting Revenues Interest and Non Voting Profits Interests [Table Text Block]
Schedule of non voting revenues interest and non voting profits interests.
Major Types of Debt and Equity Securities [Axis]
Comprehensive Income (Loss) Note [Text Block]
Income / (Loss) rom Operations
Income from operations
Operating Income (Loss)
us-gaap_VariableInterestEntityEntityMaximumLossExposureAmount
Value Line Maximum Exposure to Loss
Lease Arrangement, Type [Axis]
us-gaap_LiabilitiesCurrent
Total current liabilities
Lease Arrangement, Type [Domain]
Long term liabilities:
Treasury stock, shares (in shares)
Balance as of April 30, 2013 (1) (in shares)
Balance as of April 30, 2014 (in shares)
us-gaap_PaymentsForRepurchaseOfCommonStock
Purchase of treasury stock at cost
Consolidation, Policy [Policy Text Block]
Common stock, $0.10 par value; authorized 30,000,000 shares; issued 10,000,000 shares
AOCI Attributable to Parent [Member]
Common stock, shares issued (in shares)
Common stock, shares authorized (in shares)
Accounting Policies [Abstract]
us-gaap_StockRepurchaseProgramAuthorizedAmount1
Stock Repurchase Program, Authorized Amount
valu_DeferredTaxAssetsDeferredNonCashPostemploymentCompensationNoncurrent
Deferred Tax Assets, Deferred Non Cash Postemployment Compensation, Noncurrent
Amount of deferred tax asset attributable to deductible temporary differences from deferred non-cash postemployment compensation, expected to be realized or consumed after one year (or the normal operating cycle, if longer).
Cash and Cash Equivalents, Policy [Policy Text Block]
Share Repurchase Program [Domain]
Deferred tax expense (benefit):
Statement [Line Items]
Unearned revenue
valu_DeferredTaxAssetsLiabilitiesDepreciationAndAmortizationNoncurrent
Depreciation and amortization
Amount of deferred tax (asset) liability attributable to deductible temporary differences from depreciation and amortization, expected to be realized or consumed after one year (or the normal operating cycle, if longer).
us-gaap_EquityMethodInvestmentSummarizedFinancialInformationEquity
EAM's total equity
us-gaap_DeferredCompensationArrangementWithIndividualEmployerContribution
Deferred Compensation Arrangement with Individual, Employer Contribution
Share Repurchase Program [Axis]
us-gaap_CurrentIncomeTaxExpenseBenefit
valu_DeferredTaxAssetsOperatingLeaseExitObligationCurrent
Operating lease exit obligation
Represents current potion of deferred tax assets operating lease exit obligation.
us-gaap_PolicyTextBlockAbstract
Accounting Policies
valu_DeferredTaxLiabilitiesDeferredGainOnDeconsolidationOfSubsidiaryNoncurrent
Deferred Tax Liabilities, Deferred Gain on Deconsolidation of Subsidiary Noncurrent
Amount of deferred tax liability attributable to taxable temporary differences from deferred gain on deconsolidation of subsidiary, expected to be realized or consumed after one year (or the normal operating cycle, if longer).
valu_DeferredTaxAssetsDeferredChargesCurrent
Deferred charges
Amount deferred tax asset attributable to deductible temporary differences from deferred charges, expected to be realized or consumed within one year or operating cycle, if longer.
us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1
Balance as of April 30, 2013 (1)
Balance as of April 30, 2014
Current tax expense (benefit):
valu_DeferredTaxAssetsDeferredProfessionalFeesCurrent
Deferred professional fees
Amount deferred tax asset attributable to deductible temporary differences from deferred professional fees, expected to be realized or consumed within one year or operating cycle, if longer.
us-gaap_PaymentsOfDividendsCommonStock
Dividends paid
us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities
Total adjustments
valu_IncomeTaxReconciliationWriteoffOfGoodwill
Write off goodwill
Represents amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to writeoff of goodwill.
us-gaap_TreasuryStockAcquiredAverageCostPerShare
Purchases effected in open market (2) (in dollars per share)
us-gaap_DeferredFederalIncomeTaxExpenseBenefit
Federal
us-gaap_CurrentFederalTaxExpenseBenefit
Federal
Cash flows from operating activities:
us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations
Net cash provided by operating activities
us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations
Net cash provided by investing activities
us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations
Net cash used for financing activities
us-gaap_InvestmentIncomeInterest
Interest income
us-gaap_InvestmentIncomeDividend
Dividend income
Scenario, Unspecified [Domain]
valu_FeeWaiverOnDistributionAndService12b1Fees
12b-1 fee waivers (1)
Represents the portion of revenue recognized on waiver of all distribution or other expenses incurred during the most recent fiscal year under a plan adopted pursuant to rule 12b-1.
valu_InvestmentManagementFeeWaiversAndReimbursements
Investment management fee waivers and reimbursements (1)
Represents the portion of revenue recognized on waiver of the investment management fees during the period.
EAM Trust [Member]
Represents the investment management operations of EULAV Asset Management LLC.
Scenario [Axis]
Variable Interest Entity [Text Block]
The entire disclosure for Categorization of Variable Interest Entities (VIE) for consolidation and (or) disclosure purposes, whether individually or in aggregate, by: (1) VIEs consolidated because the entity is the primary beneficiary, (2) VIEs not consolidated because the entity is not the primary beneficiary, and (3) VIEs or potential VIEs that are not consolidated because necessary information is not available. In general, a VIE is a corporation, partnership, trust, or any other legal structure used for business purposes that either (a) does not have equity investors with voting rights or (b) has equity investors that do not provide sufficient financial resources for the entity to support its activities. A VIE often holds financial assets, including loans or receivables, real estate or other property. A VIE may be essentially passive or it may engage in research and development or other activities on behalf of another company.
Inverse Exchange Traded Funds [Member]
Represents an exchange-traded fund (ETF) that is constructed by using various derivatives for the purpose of profiting from a decline in the value of an underlying benchmark.
us-gaap_VariableInterestEntityConsolidatedCarryingAmountAssets
VIE Assets
Income / (Loss) from Securities, Trans, and Other, Net
Total income/(loss) from securities transactions and other, net
valu_CapitalGainDistributionFromAvailableForSaleSecurities
Capital Gain Distribution from Available for Sale Securities
Represents the amount related to capital gain distribution from Available for sale securities.
valu_ForeignExchangeGainLossOnInvestmentSecurities
Exchange loss
Represents the amount related to foreign exchange gain or loss on investment securities.
valu_InvestmentIncomeExpenseOther
Other
This item represents investment income (expense) derived from investments in debt and equity securities unless specified in taxonomy.
Class of Treasury Stock [Table Text Block]
us-gaap_VariableInterestEntityConsolidatedCarryingAmountLiabilities
Value Line Liabilities
us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
Accumulated depreciation and amortization
Property and equipment, net
Total property and equipment, net
us-gaap_Land
Land
Treasury Stock [Text Block]
valu_DeferredTaxAssetsDeferredProfessionalFeesNoncurrent
Deferred professional fees
Amount deferred tax asset attributable to deductible temporary differences from deferred professional fees, expected to be realized or consumed after one year (or the normal operating cycle, if longer).
us-gaap_BuildingsAndImprovementsGross
Building and leasehold improvements
Income Tax Disclosure [Text Block]
Costs Associated with Exit or Disposal Activities or Restructurings, Policy [Policy Text Block]
us-gaap_PropertyPlantAndEquipmentGross
us-gaap_FurnitureAndFixturesGross
Furniture and equipment
Investment, Name [Axis]
Commitments Disclosure [Text Block]
Investment, Name [Domain]
Adjustments to reconcile net income to net cash provided by operating activities:
us-gaap_AssetsUnderManagementCarryingAmount
Assets under Management, Carrying Amount
Internal Use Software Disclosure [Text Block]
Disclosure of accounting policy for its computer software activities including the accounting treatment for costs incurred for (1) research and development activities, (2) development of computer software for internal use, (3) in-process research and development acquired in a purchase business combination.
valu_CapitalizedSoftwareDevelopmentCostsForProject
Capitalized Software Development Costs for Project
Represents the capitalized development cost for project during the period.
valu_CapitalizedSoftwareDevelopmentCostsForNewSystems
Capitalized Software Development Costs for New Systems
Represents the capitalized development cost for new system during the period.
valu_InternalCostsToDevelopSoftware
Internal Costs to Develop Software
Represents the internal costs to develop software.
valu_ThirdPartyProgrammersCosts
Third Party Programmers Costs
Represents the third party programmer costs.
valu_AcceleratedWriteOffOfObsoleteSoftware
Accelerated Write Off of Obsolete Software
Represents the amount related to accelerated write off of obsolete software.
September 2012 Share Repurchase Program [Member]
New share repurchase program approved by company's board of directors on September 19, 2012.
Former Repurchase Program [Member]
Former repurchase program approved by company's board of directors.
Schedule of Cash Flow, Supplemental Disclosures [Table Text Block]
us-gaap_FiniteLivedIntangibleAssetUsefulLife
Finite-Lived Intangible Asset, Useful Life
January 2011 Share Repurchase Program [Member]
Share repurchase program approved by company's board of directors on January 20, 2012.
Cash Flow, Supplemental Disclosures [Text Block]
Advertising Costs, Policy [Policy Text Block]
us-gaap_DepreciationDepletionAndAmortization
Depreciation and amortization
Investment Income [Table Text Block]
Net income
Net income
EAM's net income (2)
us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesEquity
Proceeds from Sale of Available-for-sale Securities, Equity
us-gaap_Liabilities
Total liabilities
us-gaap_Assets
Total assets
Current Liabilities:
us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesEquity
Purchases of equity securities
us-gaap_InvestmentAdvisoryFees
Investment management fees earned from the Value Line Funds, net of waivers shown below
valu_TreasuryStockAverageCostPerShare
Balance as of April 30, 2013 (1) (in dollars per share)
Balance as of April 30, 2014 (in dollars per share)
Represents the average cost per share.
us-gaap_DistributionAndServicingFees
12b-1 fees and other fees, net of waivers shown below
Interim Period, Costs Not Allocable [Domain]
Nature of Expense [Axis]
us-gaap_PaymentsToAcquirePropertyPlantAndEquipment
Acquisition of property and equipment
Additional paid-in capital
Earnings Per Share, Policy [Policy Text Block]
Prepaid and refundable income taxes
Income Tax, Policy [Policy Text Block]
us-gaap_PaymentsForSoftware
Expenditures for capitalized software
Copyright Data Fees [Text Block]
Represents the information about copyright data fees.
us-gaap_AociTaxAttributableToParent
AOCI Tax, Attributable to Parent
us-gaap_NumberOfReportableSegments
Number of Reportable Segments
Fair Value Measurements, Recurring and Nonrecurring [Table Text Block]
Long term assets:
us-gaap_AssetsCurrent
Total current assets
Fair Value Measurement, Policy [Policy Text Block]
Shareholders' Equity:
us-gaap_DeferredIncomeTaxExpenseBenefit
Deferred income taxes
us-gaap_OtherComprehensiveIncomeLossNetOfTax
Other comprehensive income/(loss)