XML 32 R59.htm IDEA: XBRL DOCUMENT
v3.19.3.a.u2

Note 13 - Restricted Cash and Deposits (Details Textual) | Oct. 31, 2019 USD ($)
--- | ---
Cash Securing a Letter of Credit Issued as Security Deposit [Member] |
Security Deposit | $ 469,000

X
- 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://fasb.org/us-gaap/role/ref/legacyRef -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
- Details
Name: | us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxis=valu_CashSecuringALetterOfCreditIssuedAsSecurityDepositMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |