XML 110 R48.htm IDEA: XBRL DOCUMENT
v3.3.1.900

Related Party Transactions (Detail Textuals) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Jan. 31, 2016 | Oct. 31, 2015 | Jul. 31, 2015 | Jan. 31, 2015 | Oct. 31, 2014 | Jul. 31, 2014 | Jan. 31, 2016 | Jan. 31, 2015
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |
Federal income tax payments to the Parent |  |  |  |  |  |  | $ 2,695 | $ 2,560
EAM Trust |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |
Minimum percentage of non voting profits interests due each quarter from EAM |  |  |  |  |  |  | 90.00% |
Non-voting profits interest in EAM |  |  |  |  |  |  | 50.00% |
Percentage of non-voting revenues interest in unconsolidated entity | 50.14% | 50.16% | 50.05% | 49.80% | 49.63% | 49.18% |  |
EAM Trust | Minimum |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |
Investment management fee revenues from its mutual fund and separate accounts business |  |  |  |  |  |  | 41.00% |
EAM Trust | Maximum |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |
Investment management fee revenues from its mutual fund and separate accounts business |  |  |  |  |  |  | 55.00% |
Value Line Inc |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |
Total assets of value line funds managed by EAM | $ 2,140,000 |  |  | $ 2,300,000 |  |  | $ 2,140,000 | 2,300,000
Percentage of assets increased in funds |  |  |  |  |  |  | 6.60% |
Reimbursed income |  |  |  |  |  |  | $ 96,000 | $ 104,000
Percentage of ownership in outstanding shares of common stock of the company by parent | 88.39% |  |  |  |  |  | 88.39% |

X
- Definition The carrying amount of assets an investment adviser manages on behalf of investors. + References No definition available. + Details
Name: | us-gaap_AssetsUnderManagementCarryingAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Repayment received or receivable for expenses incurred on behalf of a client or customer, other than those reimbursements received by landlords from tenants. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 605 -SubTopic 45 -Section 45 -Paragraph 23 -URI http://asc.fasb.org/extlink&oid=51671805&loc=d3e60722-111653 + Details
Name: | us-gaap_ReimbursementRevenue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_RelatedPartyTransactionLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount represents Federal income tax payments to the Parent. + References No definition available. + Details
Name: | valu_FederalIncomeTaxPayments
Namespace Prefix: | valu_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Represents percentage of non-voting profits interest. + References No definition available. + Details
Name: | valu_NonVotingProfitsInterestPercent
Namespace Prefix: | valu_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents percentage of non-voting revenues interest. + References No definition available. + Details
Name: | valu_NonVotingRevenuesInterestPercent
Namespace Prefix: | valu_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The parent entity's interest in net assets of the subsidiary, expressed as a percentage. + References No definition available. + Details
Name: | valu_OwnershipPercentageByParent
Namespace Prefix: | valu_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Represents the stated percentage of assets increased (decreased) in unconsolidated entities. + References No definition available. + Details
Name: | valu_PercentageOfAssetsIncreasedDecreasedInUnconsolidatedEntities
Namespace Prefix: | valu_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the stated percentage of non voting profits interests due from ex-subsidiary payable to parent under agreement. + References No definition available. + Details
Name: | valu_PercentageOfNonVotingProfitsInterestsDueFromExSubsidiaryPayableToParentUnderAgreement
Namespace Prefix: | valu_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the percentage of non voting revenues interest in unconsolidated entity. + References No definition available. + Details
Name: | valu_PercentageOfNonVotingRevenuesInterestInUnconsolidatedEntity
Namespace Prefix: | valu_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=valu_EulavAssetManagementLlcMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=us-gaap_ParentCompanyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |