Property and Equipment (Details Narrative) (USD $)	12 Months Ended	94 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2014
Summary of depreciation expenses
Depreciation expense for the year ended	$ 16,641pwvi_DepreciationExpenseForTheYearEnded	$ 11,845pwvi_DepreciationExpenseForTheYearEnded	$ 55,258pwvi_DepreciationExpenseForTheYearEnded

The reporting period depreciation, depletion and amortization expense on long-lived, physical assets used in the normal conduct of business and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.

No definition available.

Name:	pwvi_DepreciationExpenseForTheYearEnded
Namespace Prefix:	pwvi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration