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Lease Commitments (Detail Textuals) (USD $) | 6 Months Ended | 0 Months Ended
--- | --- | ---
Oct. 31, 2014 | Oct. 31, 2013 | Feb. 07, 2013 Citibank, N.A. (the "Sublandlord") sqft
Operating Leased Assets [Line Items] |  |  |
Area of land for lease |  |  | 44,493
Base rent under the sublease agreement per annum |  |  | $ 1,468,269
Security deposit in cash |  |  | 489,423
Rental expenses | 634,000 | 1,638,000 |
Additional short term overlapping rent expense | $ 771,000 |  |

X
- Definition Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition The amount of revenue recognized for the period under subleasing arrangements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 55 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6584307&loc=d3e41620-112719 + Details
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Balance Type: | credit
Period Type: | duration

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- Definition The amount of an asset, typically cash, provided to a counterparty to provide certain assurance of performance by the entity pursuant to the terms of a written or oral agreement, such as a lease. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.8,17) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_SecurityDeposit
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Represents the amount of additional short term overlapping rent expense during the period. + References No definition available. + Details
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Namespace Prefix: | valu_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Represents area of land for lease. + References No definition available. + Details
Name: | valu_AreaOfLandForLease
Namespace Prefix: | valu_
Data Type: | num:areaItemType
Balance Type: | na
Period Type: | duration