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9. INCOME TAXES (Details 1)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Income Taxes Details 1
Federal statutory rate	34.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	34.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
State taxes, net of federal benefit	3.60%us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	5.25%us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes
Permanent differences	(1.70%)WVVI_EffectiveIncomeTaxRateReconciliationPermanentDifferences	(1.36%)WVVI_EffectiveIncomeTaxRateReconciliationPermanentDifferences
Tax credits	(5.74%)us-gaap_EffectiveIncomeTaxRateReconciliationTaxCredits	0.00%us-gaap_EffectiveIncomeTaxRateReconciliationTaxCredits
Prior period adjustment	(2.42%)us-gaap_EffectiveIncomeTaxRateReconciliationPriorYearIncomeTaxes	(0.46%)us-gaap_EffectiveIncomeTaxRateReconciliationPriorYearIncomeTaxes
Changes in tax rates and other	(1.32%)us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate	1.43%us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate
Total	26.40%us-gaap_EffectiveIncomeTaxRateContinuingOperations	38.90%us-gaap_EffectiveIncomeTaxRateContinuingOperations

X

- Definition

Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

+ References

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to changes in the income tax rates.

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