Quarterly report pursuant to Section 13 or 15(d)

6. COMMON STOCK TRANSACTIONS (Details Narrative)

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6. COMMON STOCK TRANSACTIONS (Details Narrative) (USD $)
3 Months Ended 6 Months Ended 12 Months Ended
Oct. 31, 2014
Oct. 31, 2013
Oct. 31, 2014
Oct. 31, 2013
Apr. 30, 2014
Stock sold, shares issued     200,000us-gaap_StockIssuedDuringPeriodSharesNewIssues    
Stock sold, value     $ 20,000us-gaap_StockIssuedDuringPeriodValueNewIssues    
Stock issued to satisfy all stock payables, stock issued     17,628,000us-gaap_StockIssuedDuringPeriodSharesOther   250,000us-gaap_StockIssuedDuringPeriodSharesOther
Stock issued to satisfy all stock payables, value     1,574,860us-gaap_StockIssuedDuringPeriodValueOther   45,500us-gaap_StockIssuedDuringPeriodValueOther
Stock returned, shares returned     15,606,667us-gaap_StockRepurchasedDuringPeriodShares    
Stock returned, value     2,153,490us-gaap_StockRepurchasedDuringPeriodValue    
Gain on stock returned 2,183,331nvlx_GainOnSettlementOfStockRecoveries 0nvlx_GainOnSettlementOfStockRecoveries 2,183,331nvlx_GainOnSettlementOfStockRecoveries 0nvlx_GainOnSettlementOfStockRecoveries  
Stock options issued     25,000,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod    
Option expiration date     Sep. 30, 2019    
Option exercise price $ 0.19us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice   $ 0.19us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice    
Share based compensation     4,307,822us-gaap_ShareBasedCompensation 0us-gaap_ShareBasedCompensation  
Compensation Agreements [Member]          
Stock issued for compensation, shares issued     1,700,000us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationGross
/ us-gaap_OtherCommitmentsAxis
= nvlx_CompensationAgreementsMember
   
Warrants          
Stock issued for compensation, value     394,250us-gaap_StockIssuedDuringPeriodValueShareBasedCompensationGross
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_WarrantMember
   
Warrants converted to common stock, stock issued     550,000us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_WarrantMember
   
Warrants converted to common stock, value     66,000us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_WarrantMember
   
Officer [Member]          
Stock issued for compensation, shares issued     300,000us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationGross
/ us-gaap_TitleOfIndividualAxis
= us-gaap_OfficerMember
   
Stock issued for compensation, value     86,100us-gaap_StockIssuedDuringPeriodValueShareBasedCompensationGross
/ us-gaap_TitleOfIndividualAxis
= us-gaap_OfficerMember
   
Consultant [Member]          
Stock returned, shares returned     335,296us-gaap_StockRepurchasedDuringPeriodShares
/ us-gaap_TitleOfIndividualAxis
= nvlx_ConsultantMember
   
Gain on stock returned     $ 29,841nvlx_GainOnSettlementOfStockRecoveries
/ us-gaap_TitleOfIndividualAxis
= nvlx_ConsultantMember