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v3.24.3

Note 3 - Variable Interest Entity (Details Textual) | 6 Months Ended
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Oct. 31, 2024
EAM Trust [Member] |
Non Voting Profits Interest Percent | 50.00%

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

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- Details
Name: | srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=valu_EulavAssetManagementLLCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |