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Accounting for the Costs of Computer Software Developed for Internal Use (Detail Textuals) - USD ($)	3 Months Ended
	Jul. 31, 2015	Jul. 31, 2014
Internal Use Software [Abstract]
Capitalized cost of development of software for internal use	$ 518,000	$ 528,000
Internal costs to develop software	375,000	305,000
Third party programmers' costs	$ 143,000	223,000
Expected useful life of asset	5 years
Amortization expense	$ 635,000	$ 533,000

X

- Definition

Additions made to capitalized computer software costs during the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 350



-SubTopic 30



-Section 50



-Paragraph 1



-Subparagraph (a)



-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16265-109275

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

For each income statement presented, the amount charged to expense for amortization of capitalized computer software costs.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 985



-SubTopic 20



-Section 50



-Paragraph 2



-URI http://asc.fasb.org/extlink&oid=6501960&loc=d3e128487-111756



Reference 2: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 985



-SubTopic 20



-Section 50



-Paragraph 1



-Subparagraph (b)



-URI http://asc.fasb.org/extlink&oid=6501960&loc=d3e128462-111756

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X

- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Represents the internal costs to develop software.

+ References

No definition available.

+ Details

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Namespace Prefix:	valu_
Data Type:	xbrli:monetaryItemType
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- References

No definition available.

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- Definition

Represents the third party programmer costs.

+ References

No definition available.

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration