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v2.4.1.9

Notes Payable to Related Parties (Details) (USD $) | 1 Months Ended | 3 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Dec. 31, 2013 | Dec. 31, 2014 | Mar. 31, 2013 | Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012 | May 05, 2014
Notes Payable to Related Parties parentheticals |  |  |  |  |  |  |
Proceeds from notes payable to related parties |  |  | $ 75,000pwvi_ProceedsFromNotesPayableToRelatedParties1 |  | $ 400,000pwvi_ProceedsFromNotesPayableToRelatedParties1 |  |
Proceeds from notes payable to related parties in 2012 |  |  |  |  |  | 325,000pwvi_ProceedsFromNotesPayableToRelatedPartiesIn2012 |
Additional warrants issuable for purchase of common stock. | 400,000pwvi_AdditionalWarrantsIssuableForPurchaseOfCommonStock1 |  |  |  | 400,000pwvi_AdditionalWarrantsIssuableForPurchaseOfCommonStock1 |  |
Number of trading days used for calculation of exercise price of additional warrant. | 10 days |  |  |  |  |  |
Interest rate of promissory note |  |  |  |  | 10.00%pwvi_InterestRateOfPromissoryNote1 |  |
Principal amount of secured promissory note |  |  |  |  | 400,000pwvi_PrincipalAmountOfSecuredPromissoryNote1 |  |
Discount on issue of secured promissory note |  |  |  |  | 176,000pwvi_DiscountOnIssueOfSecuredPromissoryNote1 |  |
Fair value of common stock per share (in dollars per share) | $ 0.41pwvi_FairValueOfCommonStockPerShareInDollarsPerShare1 |  |  |  | $ 0.41pwvi_FairValueOfCommonStockPerShareInDollarsPerShare1 |  |
Fair value of the common stock warrants recorded as additional paid in capital till date |  |  | 16,500pwvi_FairValueOfTheCommonStockWarrantsRecordedAsAdditionalPaidInCapitalTillDate |  | 88,000pwvi_FairValueOfTheCommonStockWarrantsRecordedAsAdditionalPaidInCapitalTillDate |  |
Fair value of the common stock warrants recorded as derivative liability till date |  |  | 16,500pwvi_FairValueOfTheCommonStockWarrantsRecordedAsDerivativeLiabilityTillDate |  | 88,000pwvi_FairValueOfTheCommonStockWarrantsRecordedAsDerivativeLiabilityTillDate |  |
Fair value of common stock warrants issued (in dollars per share) | $ 0.21pwvi_FairValueOfCommonStockWarrantsIssuedInDollarsPerShare |  |  |  |  |  |
Promissory Note with Edward Gomez, a company shareholder |  |  |  |  | 30,000pwvi_PromissoryNoteWithEdwardGomezACompanyShareholder |  |
Promissory note bears interest at |  |  |  |  | 10.00%pwvi_PromissoryNoteBearsInterestAt |  |
Extending maturity date |  | Extending the maturity date from December 31, 2015 to December 31, 2017 |  |  |  |  |
Reduced exercise price |  | Exercise price was reduced from $0.41 per share to $0.39 per share |  |  |  |  |
Revised the terms of the additional warrants |  | Revised the terms of the additional warrants issued December 1, 2013, to extend the maturity date to December 31, 2018 |  |  |  |  |
Reduced exercise price the additional warrants |  | Exercise price was reduced from $.21 per share to $0.17 per share |  |  |  |  |
Promissory note maturity date |  | Dec. 31, 2016 |  | May 19, 2015 | May 19, 2014 |  |
Accrued interest |  |  |  |  |  |  | $ 3,000us-gaap_InterestReceivable

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