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8. STOCK INCENTIVE PLAN (Details 2) (USD $) | 12 Months Ended |
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Dec. 31, 2014 | Dec. 31, 2013
Number Exercisable | 188,971 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber | 199,200 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber
Weighted average exercise price | $ 3.9 WVVI_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice1 | $ 4.01 WVVI_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice1
2.99 |  |
Number Outstanding | 4,000 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber / us-gaap_PlanNameAxis = WVVI_RangeOfExercisePriceTwoMember |
Weighted average remaining contractual life | 1 month 13 days |
Weighted average exercise price | $ 2.99 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice / us-gaap_PlanNameAxis = WVVI_RangeOfExercisePriceTwoMember |
Number Exercisable | 4,000 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber / us-gaap_PlanNameAxis = WVVI_RangeOfExercisePriceTwoMember |
Weighted average exercise price | $ 2.99 WVVI_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice1 / us-gaap_PlanNameAxis = WVVI_RangeOfExercisePriceTwoMember |
3.09 |  |
Number Outstanding | 22,971 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber / us-gaap_PlanNameAxis = WVVI_RangeOfExercisePriceThreeMember |
Weighted average remaining contractual life | 6 years 6 months 22 days |
Weighted average exercise price | $ 3.09 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice / us-gaap_PlanNameAxis = WVVI_RangeOfExercisePriceThreeMember |
Number Exercisable | 8,971 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber / us-gaap_PlanNameAxis = WVVI_RangeOfExercisePriceThreeMember |
Weighted average exercise price | $ 3.09 WVVI_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice1 / us-gaap_PlanNameAxis = WVVI_RangeOfExercisePriceThreeMember |
3.24 |  |
Number Outstanding | 80,000 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber / us-gaap_PlanNameAxis = WVVI_RangeOfExercisePriceFourMember |
Weighted average remaining contractual life | 1 year 6 months 18 days |
Weighted average exercise price | $ 3.24 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice / us-gaap_PlanNameAxis = WVVI_RangeOfExercisePriceFourMember |
Number Exercisable | 60,000 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber / us-gaap_PlanNameAxis = WVVI_RangeOfExercisePriceFourMember |
Weighted average exercise price | $ 3.24 WVVI_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice1 / us-gaap_PlanNameAxis = WVVI_RangeOfExercisePriceFourMember |
3.76 |  |
Number Outstanding | 62,000 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber / us-gaap_PlanNameAxis = WVVI_RangeOfExercisePriceFiveMember |
Weighted average remaining contractual life | 6 months 29 days |
Weighted average exercise price | $ 3.76 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice / us-gaap_PlanNameAxis = WVVI_RangeOfExercisePriceFiveMember |
Number Exercisable | 62,000 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber / us-gaap_PlanNameAxis = WVVI_RangeOfExercisePriceFiveMember |
Weighted average exercise price | $ 3.76 WVVI_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice1 / us-gaap_PlanNameAxis = WVVI_RangeOfExercisePriceFiveMember |
5.00 |  |
Number Outstanding | 54,000 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber / us-gaap_PlanNameAxis = WVVI_RangeOfExercisePriceSixMember |
Weighted average remaining contractual life | 11 months 26 days |
Weighted average exercise price | $ 5 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice / us-gaap_PlanNameAxis = WVVI_RangeOfExercisePriceSixMember |
Number Exercisable | 54,000 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber / us-gaap_PlanNameAxis = WVVI_RangeOfExercisePriceSixMember |
Weighted average exercise price | $ 5 WVVI_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice1 / us-gaap_PlanNameAxis = WVVI_RangeOfExercisePriceSixMember |
2.99 - 5.00 |  |
Number Outstanding | 222,971 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber / us-gaap_PlanNameAxis = WVVI_RangeOfExercisePriceSevenMember |
Weighted average remaining contractual life | 1 year 7 months 20 days |
Weighted average exercise price | $ 3.79 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice / us-gaap_PlanNameAxis = WVVI_RangeOfExercisePriceSevenMember |
Number Exercisable | 188,971 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber / us-gaap_PlanNameAxis = WVVI_RangeOfExercisePriceSevenMember |
Weighted average exercise price | $ 3.9 WVVI_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice1 / us-gaap_PlanNameAxis = WVVI_RangeOfExercisePriceSevenMember |

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- Definition The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Number of options outstanding, including both vested and non-vested options. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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