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Related Party Transactions (Details Narrative) - USD ($)	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
JLHPA [Member]
Financial consulting and accounting services	$ 14,550	$ 12,135

X

- Definition

The aggregate costs incurred during the reporting period related to financial services rendered by an entity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.2(d))
-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=pwvi_JLHPAMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: