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9. SEGMENT REPORTING (Details) (USD $)	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Sales, net	$ 3,912,501us-gaap_SalesRevenueNet	$ 2,971,879us-gaap_SalesRevenueNet
Cost of Sales	1,608,467us-gaap_CostOfGoodsAndServicesSold	1,249,890us-gaap_CostOfGoodsAndServicesSold
Gross Margin	2,304,034us-gaap_GrossProfit	1,721,989us-gaap_GrossProfit
Selling Expenses	1,066,659us-gaap_SellingExpense	815,432us-gaap_SellingExpense
Contribution Margin	1,237,375us-gaap_ProfitLoss	906,557us-gaap_ProfitLoss
Percent of Sales	100.00%WVVI_PercentOfSales	100.00%WVVI_PercentOfSales
Direct Sales
Sales, net	1,456,564us-gaap_SalesRevenueNet / us-gaap_StatementOperatingActivitiesSegmentAxis = WVVI_DirectSalesMember	943,651us-gaap_SalesRevenueNet / us-gaap_StatementOperatingActivitiesSegmentAxis = WVVI_DirectSalesMember
Cost of Sales	406,141us-gaap_CostOfGoodsAndServicesSold / us-gaap_StatementOperatingActivitiesSegmentAxis = WVVI_DirectSalesMember	245,847us-gaap_CostOfGoodsAndServicesSold / us-gaap_StatementOperatingActivitiesSegmentAxis = WVVI_DirectSalesMember
Gross Margin	1,050,423us-gaap_GrossProfit / us-gaap_StatementOperatingActivitiesSegmentAxis = WVVI_DirectSalesMember	697,804us-gaap_GrossProfit / us-gaap_StatementOperatingActivitiesSegmentAxis = WVVI_DirectSalesMember
Selling Expenses	670,241us-gaap_SellingExpense / us-gaap_StatementOperatingActivitiesSegmentAxis = WVVI_DirectSalesMember	516,293us-gaap_SellingExpense / us-gaap_StatementOperatingActivitiesSegmentAxis = WVVI_DirectSalesMember
Contribution Margin	380,182us-gaap_ProfitLoss / us-gaap_StatementOperatingActivitiesSegmentAxis = WVVI_DirectSalesMember	181,511us-gaap_ProfitLoss / us-gaap_StatementOperatingActivitiesSegmentAxis = WVVI_DirectSalesMember
Percent of Sales	37.20%WVVI_PercentOfSales / us-gaap_StatementOperatingActivitiesSegmentAxis = WVVI_DirectSalesMember	31.80%WVVI_PercentOfSales / us-gaap_StatementOperatingActivitiesSegmentAxis = WVVI_DirectSalesMember
Distributor Sales
Sales, net	2,455,937us-gaap_SalesRevenueNet / us-gaap_StatementOperatingActivitiesSegmentAxis = WVVI_DistributorSalesMember	2,028,228us-gaap_SalesRevenueNet / us-gaap_StatementOperatingActivitiesSegmentAxis = WVVI_DistributorSalesMember
Cost of Sales	1,202,326us-gaap_CostOfGoodsAndServicesSold / us-gaap_StatementOperatingActivitiesSegmentAxis = WVVI_DistributorSalesMember	1,004,043us-gaap_CostOfGoodsAndServicesSold / us-gaap_StatementOperatingActivitiesSegmentAxis = WVVI_DistributorSalesMember
Gross Margin	1,253,611us-gaap_GrossProfit / us-gaap_StatementOperatingActivitiesSegmentAxis = WVVI_DistributorSalesMember	1,024,185us-gaap_GrossProfit / us-gaap_StatementOperatingActivitiesSegmentAxis = WVVI_DistributorSalesMember
Selling Expenses	396,418us-gaap_SellingExpense / us-gaap_StatementOperatingActivitiesSegmentAxis = WVVI_DistributorSalesMember	299,139us-gaap_SellingExpense / us-gaap_StatementOperatingActivitiesSegmentAxis = WVVI_DistributorSalesMember
Contribution Margin	$ 857,193us-gaap_ProfitLoss / us-gaap_StatementOperatingActivitiesSegmentAxis = WVVI_DistributorSalesMember	$ 725,046us-gaap_ProfitLoss / us-gaap_StatementOperatingActivitiesSegmentAxis = WVVI_DistributorSalesMember
Percent of Sales	62.80%WVVI_PercentOfSales / us-gaap_StatementOperatingActivitiesSegmentAxis = WVVI_DistributorSalesMember	68.20%WVVI_PercentOfSales / us-gaap_StatementOperatingActivitiesSegmentAxis = WVVI_DistributorSalesMember

X

- Definition

The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

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- Definition

Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.

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X

- Definition

The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

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- Definition

Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

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

-Publisher FASB

-Name Accounting Standards Codification

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- Definition

Expenses recognized in the period that are directly related to the selling and distribution of products or services.

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No authoritative reference available.

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No definition available.

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