XML 15 R46.htm IDEA: XBRL DOCUMENT 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