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CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)
 12 Months Ended 94 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2014
Cash Flows from Operating Activities      
Net loss $ (565,913)us-gaap_NetIncomeLoss $ (1,054,959)us-gaap_NetIncomeLoss $ (11,232,677)us-gaap_NetIncomeLoss
Adjustments to reconcile net loss to net cash used in operating activities:      
Depreciation and amortization 236,455us-gaap_DepreciationAmortizationAndAccretionNet 231,658us-gaap_DepreciationAmortizationAndAccretionNet 659,744us-gaap_DepreciationAmortizationAndAccretionNet
Amortization of discount 85,860us-gaap_AmortizationOfDebtDiscountPremium 87,773us-gaap_AmortizationOfDebtDiscountPremium 526,846us-gaap_AmortizationOfDebtDiscountPremium
Stock based compensation    121,237us-gaap_EmployeeServiceShareBasedCompensationCashReceivedFromExerciseOfStockOptions 1,302,767us-gaap_EmployeeServiceShareBasedCompensationCashReceivedFromExerciseOfStockOptions
Common stock issued for services    124,750pwvi_CommonStockIssuedForServices2 124,750pwvi_CommonStockIssuedForServices2
Goodwill impairment       2,637,760us-gaap_GoodwillImpairmentLoss
Warrants issued for services   210,000us-gaap_AdjustmentOfWarrantsGrantedForServices 822,150us-gaap_AdjustmentOfWarrantsGrantedForServices
Warrants issued for settlement       262,700us-gaap_ProceedsFromWarrantExercises
Gain on re-measurement of derivative liability    (36,750)us-gaap_UnrealizedGainLossOnDerivatives (40,000)us-gaap_UnrealizedGainLossOnDerivatives
Changes in operating assets and liabilities      
Accounts receivable and prepaid expenses (135,248)us-gaap_IncreaseDecreaseInAccountsReceivableAndOtherOperatingAssets 94,118us-gaap_IncreaseDecreaseInAccountsReceivableAndOtherOperatingAssets (203,458)us-gaap_IncreaseDecreaseInAccountsReceivableAndOtherOperatingAssets
Employee advances 7,000pwvi_AdvancesToAffiliate1 (19,292)pwvi_AdvancesToAffiliate1 (12,292)pwvi_AdvancesToAffiliate1
Accounts payable and accrued expenses 56,431us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities (65,993)us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities (130,526)us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities
Payable to related parties (22,065)us-gaap_IncreaseDecreaseInAccountsPayableRelatedParties (6,799)us-gaap_IncreaseDecreaseInAccountsPayableRelatedParties 130,747us-gaap_IncreaseDecreaseInAccountsPayableRelatedParties
Cash Used in Operating Activities (337,480)us-gaap_NetCashProvidedByUsedInOperatingActivities (314,257)us-gaap_NetCashProvidedByUsedInOperatingActivities (5,151,489)us-gaap_NetCashProvidedByUsedInOperatingActivities
Cash Flows From Investing Activities      
Purchase of property and equipment (13,590)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment (57,720)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment (107,640)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment
Cash acquired in business acquisition       872us-gaap_CashAcquiredFromAcquisition
Cash Used in Investing Activities (13,590)us-gaap_NetCashProvidedByUsedInInvestingActivities (57,720)us-gaap_NetCashProvidedByUsedInInvestingActivities (106,768)us-gaap_NetCashProvidedByUsedInInvestingActivities
Cash Flows from Financing Activities      
Proceeds from issuance of common stock 415,000us-gaap_ProceedsFromIssuanceOfCommonStock 300,000us-gaap_ProceedsFromIssuanceOfCommonStock 5,765,281us-gaap_ProceedsFromIssuanceOfCommonStock
Proceeds from notes payable to related parties    75,000us-gaap_ProceedsFromNotesPayable 700,000us-gaap_ProceedsFromNotesPayable
Payment of line of credit       (50,000)us-gaap_RepaymentsOfLinesOfCredit
Payment of note payable to related parties (100,000)us-gaap_RepaymentsOfNotesPayable    (371,206)us-gaap_RepaymentsOfNotesPayable
Purchase of treasury stock       (320,381)us-gaap_PaymentsForRepurchaseOfCommonStock
Payment of stock issuance costs (7,500)us-gaap_PaymentsOfStockIssuanceCosts    (460,701)us-gaap_PaymentsOfStockIssuanceCosts
Cash Provided by Financing Activities 307,500us-gaap_NetCashProvidedByUsedInFinancingActivities 375,000us-gaap_NetCashProvidedByUsedInFinancingActivities 5,262,993us-gaap_NetCashProvidedByUsedInFinancingActivities
Net (Decrease) Increase in Cash and Cash Equivalents (43,570)us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease 3,023us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease 4,736us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease
Cash and cash equivalents at Beginning of Period 48,306us-gaap_CashAndCashEquivalentsAtCarryingValue 45,283us-gaap_CashAndCashEquivalentsAtCarryingValue  
Cash and cash equivalents at End of Period 4,736pwvi_CashAndCashEquivalentsAtEndOfPeriod 48,306pwvi_CashAndCashEquivalentsAtEndOfPeriod 4,736pwvi_CashAndCashEquivalentsAtEndOfPeriod
Supplemental Disclosure of Cashflow Information      
Cash Paid for Interest 43,000us-gaap_InterestPaidNet 20,705us-gaap_InterestPaidNet 63,705us-gaap_InterestPaidNet
Cash Paid for Income Taxes       24,221us-gaap_IncomeTaxesPaidNet
Supplemental Schedule of Non-Cash Financing      
Common stock issued for convertible debt       189,261us-gaap_RepaymentsOfConvertibleDebt
Common stock issued for services     124,750pwvi_CommonStockIssuedForServices
Common stock issued for acquisition of Cornerstone Conservation Group, LLC       3,096,200us-gaap_StockIssuedDuringPeriodValueAcquisitions
Warrants issued in connection with acquisition of Cornerstone Conservation Group, LLC       201,000pwvi_WarrantsIssuedInConnectionWithAcquisitionOfCornerstoneConservationGroupLlc
Purchase of treasury stock with long-term related party payable       242,758pwvi_PurchaseOfTreasuryStockWithLongTermRelatedPartyPayable
Warrants issued in connection with debt       299,984pwvi_WarrantsIssuedInConnectionWithDebt
Issuance of warrants as part of notes payable to related party of which $88,000 ($16,500 in Q1 2013) was classified as additional paid in capital and $88,000 ($16,500 in Q1 2013) was classified as a derivative liability    176,000us-gaap_DebtConversionConvertedInstrumentWarrantsOrOptionsIssued1 176,000us-gaap_DebtConversionConvertedInstrumentWarrantsOrOptionsIssued1
Debt discount in connection with the modified warrants 25,765pwvi_ModificationOfWarrantsInConnectionWithNotesPayableToRelatedParty    25,765pwvi_ModificationOfWarrantsInConnectionWithNotesPayableToRelatedParty
Warrants issued in connection with derivative liability   48,000pwvi_WarrantsIssuedInConnectionWithDerivativeLiability 48,000pwvi_WarrantsIssuedInConnectionWithDerivativeLiability
Common stock issued in connection with debt forgiveness and services rendered       $ 250,000pwvi_CommonStockIssuedInConnectionWithDebtForgivenessAndServicesRendered