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5. LINE OF CREDIT FACILITY (Details Narrative) (USD $) | Dec. 31, 2014 | Dec. 31, 2013
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Line Of Credit Facility Details Narrative |  |
Interest rate | 3.25%us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd | 3.25%us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd
Borrowings on revolving line of credit | $ 0 WVVI_BorrowingsOnRevolvingLineOfCredit | $ 0 WVVI_BorrowingsOnRevolvingLineOfCredit

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- Definition The effective interest rate at the end of the reporting period. + 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 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

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- Definition Custom Element. + References No definition available. + Details
Name: | WVVI_BorrowingsOnRevolvingLineOfCredit
Namespace Prefix: | WVVI_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Details
Name: | WVVI_LineOfCreditFacilityDetailsNarrativeAbstract
Namespace Prefix: | WVVI_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration