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Stock Options and Warrants (Details) (USD $)
9 Months Ended 12 Months Ended
Mar. 31, 2015
Jun. 30, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Weighted Average Remaining Contractual Term, (year) Granted 0 years  
Equity Option [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Number of Shares, Outstanding 535,715us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_StockOptionMember
 
Number of Shares, Granted 0us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_StockOptionMember
 
Number of Shares, Exercised 0us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_StockOptionMember
 
Number of Shares, Expired 0us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_StockOptionMember
 
Number of Shares, Canceled 0us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_StockOptionMember
 
Number of Shares, Outstanding 535,715us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_StockOptionMember
535,715us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_StockOptionMember
Weighted Average Exercise Price per share , Outstanding $ 0.35us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_StockOptionMember
 
Weighted Average Exercise Price per share, Granted $ 0us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_StockOptionMember
 
Weighted Average Exercise Price per share, Exercised $ 0us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_StockOptionMember
 
Weighted Average Exercise Price per share, Expired $ 0us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_StockOptionMember
 
Weighted Average Exercise Price per share, Canceled $ 0us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_StockOptionMember
 
Weighted Average Exercise Price per share , Outstanding $ 0.35us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_StockOptionMember
$ 0.35us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_StockOptionMember
Weighted Average Remaining Contractual Term, (year) Exercised 0 years  
Weighted Average Remaining Contractual Term, (year) Expired 0 years  
Weighted Average Remaining Contractual Term, (year) Canceled 0 years  
Weighted Average Remaining Contractual Term, (year) Outstanding 5 months 23 days 1 year 2 months 23 days
Aggregate Intrinsic Value, Outstanding $ 996,424us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_StockOptionMember
$ 2,094,643us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_StockOptionMember
Aggregate Intrinsic Value, Granted 0nnvc_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodIntrinsicValue
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_StockOptionMember
 
Aggregate Intrinsic Value, Exercised 0us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_StockOptionMember
 
Aggregate Intrinsic Value, Expired 0nnvc_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriodIntrinsicValue
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_StockOptionMember
 
Aggregate Intrinsic Value, Canceled $ 0nnvc_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriodIntrinsicValue
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_StockOptionMember