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6. SEGMENT REPORTING (Details Narrative) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Segment Reporting [Abstract]
Bulk wine sales	$ 0	$ 2,800	$ 28,734	$ 45,563

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- References

No definition available.

+ Details

Name:	WVVI_BulkWineSales
Namespace Prefix:	WVVI_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

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No definition available.

+ Details

Name:	us-gaap_SegmentReportingAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration