Document And Entity Information
Note To Financial Statement Details Textual
Significant Accounting Policies
Note 1 - Organization and Summary of Significant Accounting Policies
Due within 1 year, amortized cost
Note 2 - Supplementary Cash Flow Information
us-gaap_OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent
Change in unrealized gains on securities, net of taxes
Other comprehensive income (loss), available-for-sale securities adjustment, amount net of tax
Note 3 - Related Party Transactions
Due within 1 year, fair value
Note 4 - Investments
Due 1 year through 5 years, fair value
Note 5 - Variable Interest Entity
Note 6 - Property and Equipment
Long term liabilities:
Note 7 - Federal, State and Local Income Taxes
Note 9 - Lease Commitments
Income Tax Disclosure [Text Block]
Note 11 - Comprehensive Income
Note 13 - Treasury Stock and Repurchase Program
Change in unrealized gains (losses) on securities, amount net of tax
Note 1 - Organization and Summary of Significant Accounting Policies - Schedule of Fair Value Measurements of Investments (Details)
Note 2 - Supplementary Cash Flow Information - Supplementary Cash Flow Elements (Details)
Note 3 - Related Party Transactions - Non Voting Revenues Interest and Non Voting Profits Interests (Details)
us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax
Less: Gains realized in net income, amount net of tax
us-gaap_LiabilitiesCurrent
Total current liabilities
Note 4 - Investments - Schedule of Carrying Value and Fair Value of Securities Available-for-sale (Details)
Note 4 - Investments - Income From Securities Transactions (Details)
Note 4 - Investments - Components of EAM's Investment Management Operations (Details)
Note 4 - Investments - Assets and Liabilities (Details)
Note 5 - Variable Interest Entity - Total Assets, the Maximum Exposure to Loss, and Value of the Assets and Liabilities in EAM (Details)
Note 6 - Property and Equipment - Components of Property and Equipment (Details)
Note 7 - Federal, State and Local Income Taxes - Provision for Income Taxes (Details)
Note 7 - Federal, State and Local Income Taxes - Deferred Tax Assets and Liabilities (Details)
Note 7 - Federal, State and Local Income Taxes - Effective Income Tax Rate Reconciliation (Details)
Note 7 - Federal, State and Local Income Taxes - Effective Income Tax Rate Reconciliation (Details) (Parentheticals)
valu_IncreaseDecreaseInAssetsUnderManagement
Increase (Decrease) in Assets under Management
This element represents the amount of increase decrease in the value of assets managed by EAM.
Note 9 - Lease Commitments - Future Minimum Payments (Details)
Note 11 - Comprehensive Income - Components of Comprehensive Income (Details)
Note 13 - Treasury Stock and Repurchase Program - Treasury Stock at Cost (Details)
valu_PercentageOfAssetsIncreasedDecreasedInUnconsolidatedEntities
Percentage of Assets Increased (Decreased) in Unconsolidated Entities
Represents the stated percentage of assets increased (decreased) in unconsolidated entities.
Notes To Financial Statements
valu_NonVotingRevenuesInterestPercent
Non Voting Revenues Interest Percent
Represents percentage of non-voting revenues interest.
Notes To Financial Statements [Abstract]
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.
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.
Proceeds from sales of fixed income securities
us-gaap_AociTaxAttributableToParent
AOCI Tax, Attributable to Parent
us-gaap_OtherComprehensiveIncomeLossNetOfTax
Other comprehensive income
Equity Securities [Member]
us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesDebt
Purchases of fixed income securities
Financial Instruments [Domain]
Accounts payable and accrued liabilities
Financial Instrument [Axis]
Accrued taxes on income
Dividends payable
Net proceeds from sale of operating facility
Proceeds from Sale of Property, Plant, and Equipment, Total
Accrued salaries
us-gaap_PolicyTextBlockAbstract
Accounting Policies
us-gaap_PaymentsForSoftware
Expenditures for capitalized software
us-gaap_PaymentsToAcquirePropertyPlantAndEquipment
Acquisition of property and equipment
Restricted Assets Disclosure [Text Block]
Current Liabilities:
Treasury Stock [Text Block]
us-gaap_Assets
Total assets
Commitments Disclosure [Text Block]
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.
Federal income tax payments to the Parent
Federal Income Tax Payments to Parent
Amount represents Federal income tax payments to the Parent.
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.
valu_OwnershipPercentageByParent
Ownership Percentage By Parent
The parent entity's interest in net assets of the subsidiary, expressed as a percentage.
valu_RevenuesAndProfitsDistributionFromUnconsolidatedEntity
Represents the revenues and profits distribution from unconsolidated entity.
us-gaap_IncreaseDecreaseOfRestrictedInvestments
Restricted money market investment
valu_FairValueOfContributedCapitalAtInception
Fair Value of Contributed Capital at Inception
Represents the fair value of contributed capital at inception.
valu_PercentageOfNonVotingProfitInterest
Percentage of Non Voting Profit Interest
Represents percentage of non-voting profits interest.
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.
Profits interest in EAM Trust
Non-voting profits interest in EAM
Non-voting profits interest in EAM Trust
Represents the income received against non voting profits in unconsolidated entity.
Revenues interest in EAM Trust
Non-voting revenues interest in EAM
Non-voting revenues interest in EAM Trust
Represents the income received against non voting revenues in unconsolidated entity.
valu_NoncashDeferredRentExpenses
Deferred rent
Represents amount of deferred noncash expenses made by entity during period.
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.
Net income
EAM's net income (1)
Net income
valu_PercentageOfCopyrightDataFees
Percentage of Copyright Data Fees
Represents the percentage of copyright data fees during the period.
valu_ThirdPartySponsoredAssetsForCopyrightData
Third Party Sponsored Assets for Copyright Data
This element represents amount of third party sponsored assets for copyright data.
us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
Accumulated depreciation and amortization
us-gaap_VariableInterestEntityEntityMaximumLossExposureAmount
Value Line Liabilities
Property and equipment, net
Total property and equipment, net
State and local income tax payments
Amount represents State and local income tax payments.
us-gaap_PropertyPlantAndEquipmentGross
us-gaap_FurnitureAndFixturesGross
Furniture and equipment
us-gaap_BuildingsAndImprovementsGross
Building and leasehold improvements
Asset Management and Mutual Fund Distribution Subsidiaries [Member]
Information related to the company's asset management and mutual fund distribution subsidiaries.
Former Employee [Member]
Information pertaining to a former employee.
us-gaap_AssetsUnderManagementCarryingAmount
Assets under Management, Carrying Amount
us-gaap_VariableInterestEntityConsolidatedCarryingAmountLiabilities
Value Line Liabilities
us-gaap_VariableInterestEntityConsolidatedCarryingAmountAssets
VIE Assets
us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities
Total adjustments
Cash flows from investing activities:
us-gaap_AvailableForSaleSecuritiesDebtSecurities
Fair value
us-gaap_RevenueFromRelatedParties
Revenue from Related Parties
Concentration of Credit Risk [Text Block]
The entire disclosure related to concentration of credit risk primarily related to cash deposits.
Concentration Risk of Financial Instruments with Off-balance Sheet Risk [Text Block]
The entire disclosure for concentrations existing at the date of the financial statements that make an entity vulnerable to a reasonably possible, near-term, severe impact related to financial instruments with off-balance sheet risk.
Investment Income [Table Text Block]
us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable
Accrued taxes on income
Accounts payable & accrued expenses
Investment in EAM Trust
Equity Method Investments
Related Party Transactions Disclosure [Text Block]
Income tax provision
Income tax provision
us-gaap_IncreaseDecreaseInAccruedSalaries
Accrued salaries
Less: Gains realized in net income, tax expense
Schedule of Variable Interest Entities [Table Text Block]
us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax
Other Comprehensive Income (Loss), Securities, Available-for-Sale, Unrealized Holding Gain (Loss) Arising During Period, Tax
Change in unrealized gains (losses) on securities, tax expense
us-gaap_OperatingExpenses
Total expenses
Office and administration
us-gaap_LeaseAndRentalExpense
Operating Leases, Rent Expense, Total
Cash and cash equivalents (including short term investments of $4,982 and $6,066, respectively)
Cash and cash equivalents at beginning of year
Cash and cash equivalents at end of year
Salaries and employee benefits
us-gaap_MoneyMarketFundsAtCarryingValue
Money Market Funds, at Carrying Value
us-gaap_OtherComprehensiveIncomeAvailableforsaleSecuritiesTaxPortionAttributableToParent
Other comprehensive income (loss), available-for-sale securities, tax expense
Amendment Flag
us-gaap_ComprehensiveIncomeNetOfTax
Comprehensive income
Use of Estimates, Policy [Policy Text Block]
New Accounting Pronouncements, Policy [Policy Text Block]
Purchases effected in open market (2) (in shares)
us-gaap_TreasuryStockSharesAcquired
Treasury Stock, Shares, Acquired
Purchase of treasury stock (in shares)
us-gaap_SharesOutstanding
Balance (in shares)
Balance (in shares)
Current Fiscal Year End Date
Lease Arrangement, Type [Axis]
Lease Arrangement, Type [Domain]
us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets
Prepaid expenses and other current assets
Document Fiscal Period Focus
Document Fiscal Year Focus
Consolidation, Policy [Policy Text Block]
us-gaap_EquitySecuritiesFvNiRealizedGainLoss
Realized gain on sales of equity securities
Document Period End Date
Document Type
Document Information [Line Items]
Document Information [Table]
us-gaap_AreaOfRealEstateProperty
Area of Real Estate Property
Entity Public Float
Entity Filer Category
Entity Current Reporting Status
Entity Voluntary Filers
us-gaap_DividendsCommonStock
Dividends declared
Entity Well-known Seasoned Issuer
us-gaap_CapitalizedComputerSoftwareAdditions
Capitalized Computer Software, Additions
Capitalized software and other intangible assets, net
us-gaap_CapitalizedComputerSoftwareAmortization1
Capitalized Computer Software, Amortization
us-gaap_IncreaseDecreaseInIncomeTaxesReceivable
Prepaid and refundable income taxes
us-gaap_ConcentrationRiskPercentage1
Concentration Risk, Percentage
us-gaap_IncreaseDecreaseInAccountsReceivable
Accounts receivable
Statement of Comprehensive Income [Abstract]
Entity Central Index Key
Entity Registrant Name
Entity [Domain]
Customer Concentration Risk [Member]
Legal Entity [Axis]
Subscription and Circulation [Member]
Purchases effected in open market (2)
us-gaap_TreasuryStockValueAcquiredCostMethod
Treasury Stock, Value, Acquired, Cost Method
Purchase of treasury stock
Concentration Risk Type [Axis]
Concentration Risk Type [Domain]
us-gaap_TreasuryStockValue
Treasury stock, at cost (308,380 shares and 288,335 shares, respectively)
Balance, total average cost assigned
Balance, total average cost assigned
Entity Common Stock, Shares Outstanding (in shares)
Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block]
Advertising and promotion
Sales Revenue, Net [Member]
Trading Symbol
Concentration Risk Benchmark [Axis]
Summary Investment Holdings [Table Text Block]
Concentration Risk Benchmark [Domain]
Organization, Consolidation and Presentation of Financial Statements Disclosure and Significant Accounting Policies [Text Block]
Gain on sale of operating facility
Realized gain on sales of operating facilty
us-gaap_TableTextBlock
Notes Tables
Investment Holdings, Other than Securities [Table Text Block]
Related Party [Axis]
Related Party [Domain]
Production and distribution
us-gaap_LiabilitiesAndStockholdersEquity
Total liabilities and shareholders' equity
us-gaap_CashUninsuredAmount
Cash, Uninsured Amount
Retained earnings
us-gaap_AssetsNoncurrent
Total long term assets
Accumulated other comprehensive income, net of tax
valu_LesseeLeasingArrangementsAllowanceSixMonthsOfFreeRentPayment
Lessee Leasing Arrangements, Allowance, Six Months of Free Rent Payment
The total amount of free rent offered for six months accompanying an allowance arrangement.
Money Market Funds [Member]
Exchange Traded Funds [Member]
Cash and Cash Equivalents [Axis]
Cash and Cash Equivalents [Domain]
Restricted money market investments
Restricted Investments, Noncurrent
Changes in operating assets and liabilities:
Restricted Cash and Cash Equivalents [Axis]
us-gaap_DisclosureTextBlockAbstract
Notes to Financial Statements
us-gaap_OtherNoncashIncomeExpense
Other, net
us-gaap_DeferredIncomeTaxExpenseBenefit
Deferred tax expense (benefit):
Deferred income taxes
Fair Value Measurement, Policy [Policy Text Block]
us-gaap_AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax
Accumulated Other Comprehensive Income (Loss), Debt Securities, Available-for-sale, Adjustment, after Tax, Ending Balance
Title of Individual [Axis]
Relationship to Entity [Domain]
us-gaap_FiniteLivedIntangibleAssetUsefulLife
Finite-Lived Intangible Asset, Useful Life
Earnings Per Share, Policy [Policy Text Block]
us-gaap_DeferredCompensationArrangementWithIndividualContributionsByEmployer
Deferred Compensation Arrangement with Individual, Contributions by Employer
us-gaap_Revenues
Total revenues
Expenses:
Income Tax, Policy [Policy Text Block]
us-gaap_DepreciationDepletionAndAmortization
Depreciation and amortization
Compensation Related Costs, General [Text Block]
us-gaap_AssetsCurrent
Total current assets
us-gaap_CashAndCashEquivalentsFairValueDisclosure
Cash equivalents
Long term assets:
us-gaap_InvestmentsFairValueDisclosure
Prepaid and refundable income taxes
Treasury stock, shares (in shares)
Balance, shares (in shares)
Balance, shares (in shares)
Advertising Costs, Policy [Policy Text Block]
Common stock, $0.10 par value; authorized 30,000,000 shares; issued 10,000,000 shares
Adjustments to reconcile net income to net cash (used in)/provided by operating activities:
Common stock, shares authorized (in shares)
Distribution and Shareholder Service [Member]
Common stock, shares issued (in shares)
Fair Value Measurements, Recurring and Nonrecurring [Table Text Block]
Common stock, par value (in dollars per share)
us-gaap_DeconsolidationGainOrLossAmount
Deconsolidation, Gain (Loss), Amount
Range [Domain]
Maximum [Member]
Minimum [Member]
Product and Service [Axis]
Product and Service [Domain]
Range [Axis]
Investment, Name [Domain]
Schedule of Cash Flow, Supplemental Disclosures [Table Text Block]
Cash Flow, Supplemental Disclosures [Text Block]
Investment, Name [Axis]
One Single Customer [Member]
Represents a single customer of the company.
Other, asset
us-gaap_DeferredTaxAssetsOther
Property, Plant and Equipment Disclosure [Text Block]
Property, Plant and Equipment [Table Text Block]
Unrealized loss (gain) on securities held for sale
valu_DeferredTaxAssetsLiabilitiesUnrealizedLossGainOnSecuritiesHeldForSale
The amount of deferred tax liabilities (asset) related to the unrealized loss (gain) on securities held for sale.
Due within 1 year, gross unrealized gains
Accumulated gross unrealized gains available-for-sale debt securities maturing in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.
valu_AvailableforsaleSecuritiesDebtSecuritiesAverageYield
Available-for-sale Securities, Debt Securities, Average Yield
The average yield on debt securities classified as available for sale.
Revenues
us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax
Revenue from Contract with Customer, Including Assessed Tax
valu_AvailableforsaleSecuritiesDebtMaturitiesYearTwoThroughFiveGrossUnrealizedLosses
Due 1 year through 5 years, gross unrealized losses
Accumulated gross unrealized losses of available-for-sale debt securities maturing in the second fiscal year through the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.
Fair Value, Inputs, Level 3 [Member]
Due 1 year through 5 years, gross unrealized gains
Accumulated gross unrealized gains of available-for-sale debt securities maturing in the second fiscal year through the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.
valu_AvailableforsaleSecuritiesDebtMaturitiesNextTwelveMonthsGrossUnrealizedLosses
Due within 1 year, gross unrealized losses
Accumulated gross unrealized losses of available-for-sale debt securities maturing in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.
Sublease to American Building Maintenance Industries, Incorporated [Member]
Represents a sublease agreement signed with American Building Maintenance Industries, Incorporated.
Fair Value Hierarchy and NAV [Domain]
Cash Securing a Letter of Credit Issued as Security Deposit [Member]
Related to the portion of cash that has been restricted to secure a letter of credit issued to a sublandlord as a security deposit.
Customer [Axis]
valu_BaseRentIncreasePercent
Base Rent Increase, Percent
Represents base rent increase percentage.
Customer [Domain]
Fair Value, Inputs, Level 1 [Member]
valu_AnnualRentalExpenditureInitialDecreasePercentage
Annual Rental Expenditure, Initial, Decrease, Percentage
The initial percentage that the annual rent expenditure will be decreased by.
Fair Value, Inputs, Level 2 [Member]
Fair Value Hierarchy and NAV [Axis]
us-gaap_IncreaseDecreaseInDeferredRevenue
Unearned revenue
Cash flows from operating activities:
Revenue Recognition, Policy [Policy Text Block]
Statement [Line Items]
Allowance for doubtful accounts
Accounts receivable, net of allowance for doubtful accounts of $14 and $20, respectively
us-gaap_NumberOfReportableSegments
Number of Reportable Segments
Revenues:
Short term investments
AOCI Attributable to Parent [Member]
Additional paid-in capital
Shareholders' Equity:
Other income/(loss)
Property, Plant and Equipment, Type [Axis]
Property, Plant and Equipment, Type [Domain]
Segment Reporting Disclosure [Text Block]
Income from securities transactions, net
Total income from securities transactions and other, net
Current Assets:
us-gaap_SecurityDeposit
Security Deposit
License [Member]
Interest income
Dividend income
us-gaap_NetCashProvidedByUsedInFinancingActivities
Net cash used for financing activities
us-gaap_Liabilities
Total liabilities
EAM's total equity
us-gaap_OperatingIncomeLoss
Income from operations
us-gaap_NetCashProvidedByUsedInOperatingActivities
Net cash (used in)/provided by operating activities
Other, liability
us-gaap_DeferredTaxLiabilitiesOther
us-gaap_NetCashProvidedByUsedInInvestingActivities
Net cash provided by investing activities
Prepaid expenses and other current assets
us-gaap_EquityMethodInvestmentSummarizedFinancialInformationLiabilities
EAM's total liabilities (1)
us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease
Net change in cash and cash equivalents
valu_OperatingLeasesAnnualBaseRent
Operating Leases, Annual Base Rent
The amount of base rent per annum during the period for an operating lease.
EAM's total assets
Equity Method Investments [Policy Text Block]
us-gaap_EquityMethodInvestmentOtherThanTemporaryImpairment
Equity Method Investment, Other than Temporary Impairment
Consolidated Entities [Axis]
Consolidated Entities [Domain]
us-gaap_PaymentsOfDividendsCommonStock
Dividends paid
us-gaap_PaymentsForRepurchaseOfCommonStock
Purchase of treasury stock at cost
Profits distributions received from EAM Trust
The cash inflow associated with the profits distribution from variable entity.
Revenues distribution received from EAM Trust
The cash inflow associated with the revenues distribution from variable entity.
Retained Earnings [Member]
Purchases effected in open market (2) (in dollars per share)
us-gaap_CurrentStateAndLocalTaxExpenseBenefit
State and local
State and local
us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit
Treasury Stock [Member]
Balance, aggregate purchase price remaining under the program
us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1
Additional Paid-in Capital [Member]
Share Repurchase Program [Domain]
us-gaap_CurrentFederalTaxExpenseBenefit
Federal
Common Stock [Member]
us-gaap_StockRepurchaseProgramAuthorizedAmount1
Stock Repurchase Program, Authorized Amount
Federal
us-gaap_DeferredFederalIncomeTaxExpenseBenefit
Deferred tax expense (benefit):
Class of Treasury Stock [Table Text Block]
Equity Components [Axis]
Equity Component [Domain]
Share Repurchase Program [Axis]
Current tax expense:
us-gaap_CurrentIncomeTaxExpenseBenefit
Current tax expense
valu_LesseeLeasingArrangementsAllowance
Lessee Leasing Arrangements, Allowance
Represents the amount of allowance to be applied against the lessee's costs and expenses.
us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic
Income before income taxes
Unearned revenue
Unearned revenue
us-gaap_DeferredRevenueNoncurrent
Comprehensive Income (Loss) Note [Text Block]
Other comprehensive income, net of tax:
State and Local Jurisdiction [Member]
Income Tax Authority [Axis]
Income Tax Authority [Domain]
Domestic Tax Authority [Member]
Cash and Cash Equivalents, Policy [Policy Text Block]
Accounting Policies [Abstract]
us-gaap_OpenTaxYear
Open Tax Year
Concentration Risk Disclosure [Text Block]
Dividends declared per share (in dollars per share)
Debt Securities [Member]
Gain on Sale of Operating Facility [Text Block]
The complete disclosure of information pertaining to the gain on sale of an operating facility.
Fulfillment and Warehouse Facility [Member]
Represents information pertaining to fulfillment and warehouse facility.
valu_GainLossOnDispositionOfAssetsNetOfTax
Gain Loss on Disposition of Assets, Net of Tax
Amount of gain (loss) on sale or disposal of property, plant and equipment assets, excluding oil and gas property and timber property, net of tax.
Earliest Tax Year [Member]
Latest Tax Year [Member]
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.
Capital gain distributions from ETFs (1)
Capital Gain Distribution from Available for Sale Securities
Represents the amount related to capital gain distribution from Available for sale securities.
Tax Period [Domain]
Other
This item represents investment income (expense) derived from investments in debt and equity securities unless specified in taxonomy.
Investment management fee waivers and reimbursements
Represents the portion of revenue recognized on waiver of the investment management fees during the period.
12b-1 fee waivers
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.
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.
EAM Trust [Member]
Represents the investment management operations of EULAV Asset Management LLC.
Tax Period [Axis]
us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesEquity
Purchases of equity securities
Weighted average number of common shares (in shares)
Proceeds from sales of equity securities
Proceeds from Sale of Available-for-sale Securities, Equity
Gross unrealized gains
us-gaap_AvailableForSaleEquitySecuritiesAccumulatedGrossUnrealizedLossBeforeTax
Gross Unrealized Losses
Deferred gain on deconsolidation of EAM
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.
Deferred non-cash post-employment compensation
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).
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).
Earnings per share, basic & fully diluted (in dollars per share)
Scenario, Forecast [Member]
Statement [Table]
Scenario [Axis]
Statement of Financial Position [Abstract]
Scenario, Unspecified [Domain]
us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter
2023 and thereafter
us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments
Other, net
us-gaap_OperatingLeasesFutureMinimumPaymentsDue
Effective income tax rate
Effective Income Tax Rate Reconciliation, Percent, Total
Effect on deferred tax liabilities from federal tax rate reduction to 21%
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Percent
us-gaap_AvailableForSaleSecurities
Securities available-for-sale
us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears
2022
us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears
2020
Statement of Cash Flows [Abstract]
us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears
2021
Securities available-for-sale
Statement of Stockholders' Equity [Abstract]
us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent
2019
Income Statement [Abstract]
us-gaap_AvailableForSaleSecuritiesGrossRealizedGains
Available-for-sale Securities, Gross Realized Gains
us-gaap_AvailableForSaleSecuritiesGrossRealizedGainLossNet
Available-for-sale Securities, Gross Realized Gain (Loss), Total
us-gaap_EffectiveIncomeTaxRateReconciliationTaxSettlementsDomestic
Domestic production tax credit
Capital gains (2)
Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]
us-gaap_EffectiveIncomeTaxRateReconciliationDeductionsDividends
Effect of dividends received deductions
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]
Schedule of Deferred Tax Assets and Liabilities [Table Text Block]
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]
Cost
Available-for-sale Equity Securities, Amortized Cost Basis, Total
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_DeferredCompensationArrangementWithIndividualPlanReimbursementForFees
Deferred Compensation Arrangement with Individual, Plan Reimbursement for Fees
The reimbursement to a plan of fees received indirectly by the plan sponsor.
Fair value
Available-for-sale Securities, Equity Securities
Schedule of Available-for-sale Securities Reconciliation [Table Text Block]
valu_ThirdPartyProgrammersCosts
Third Party Programmers Costs
Represents the third party programmer costs.
valu_InternalCostsToDevelopSoftware
Internal Costs to Develop Software
Represents the internal costs to develop software.
us-gaap_OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentBeforeTaxPortionAttributableToParent
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, before Tax, Portion Attributable to Parent, Total
Other comprehensive income (loss), available-for-sale securities adjustment, amount before tax
September 2012 Share Repurchase Program [Member]
New share repurchase program approved by company's board of directors on September 19, 2012.
us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax
Less: Gains realized in net income, amount before tax
January 2011 Share Repurchase Program [Member]
Share repurchase program approved by company's board of directors on January 20, 2012.
Former Repurchase Program [Member]
Former repurchase program approved by company's board of directors.
us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes
State and local income taxes, net of federal income tax benefit
valu_TreasuryStockAverageCostPerShare
Balance, average cost per share (in dollars per share)
Balance, average cost per share (in dollars per share)
Represents the average cost per share.
Change in unrealized gains (losses) on securities, amount before tax
us-gaap_LiabilitiesNoncurrent
Total long term liabilities
Cash flows from financing activities:
us-gaap_AccountsReceivableRelatedParties
Accounts Receivable, Related Parties
U.S. statutory federal tax rate
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent
Deferred income taxes
us-gaap_DeferredTaxLiabilitiesNoncurrent
Deferred tax liability
Deferred tax liability
Deferred charges
us-gaap_DeferredRentCreditNoncurrent
Copyright Data Fees [Text Block]
Represents the information about copyright data fees.
us-gaap_StockholdersEquity
Total shareholders' equity
Balance
Balance
Class of Stock [Axis]
valu_BaseRentIncreaseAmount
Base Rent Increase Amount
Represents base rent increase amount.
Value Line Distribution Center ("VLDC") [Member]
Represents company's subsidiary which is Value Line Distribution Center ("VLDC") .
Seagis Property Group LP (the "Landlord") [Member]
Represents Seagis Property Group LP (the "Landlord").
Comprehensive Income (Loss) [Table Text Block]
Investment Advice [Member]
us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
Gross unrealized losses
us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
Gross unrealized gains
us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis
Amortized cost
Due 1 year through 5 years, amortized cost