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Stockholders' Equity (Common Stock Issued for Services) (Details) (USD $)
 3 Months Ended
Mar. 31, 2013
Dec. 31, 2013
Common Stock Issued for Services    
Company issued common shares to a third party for six months consulting services 125,000pwvi_CompanyIssuedCommonSharesToAThirdPartyForSixMonthsConsultingServices  
Common shares issued to an employee as part of his compensation package 200,000pwvi_CommonSharesIssuedToAnEmployeeAsPartOfHisCompensationPackage  
The expense for the period included in the general and administrative expenses   $ 124,750pwvi_TheExpenseForThePeriodIncludedInTheGeneralAndAdministrativeExpenses