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Stockholder's Equity (Details Narrative) (USD $)
9 Months Ended 0 Months Ended
Jan. 31, 2015
Nov. 10, 2011
Apr. 30, 2014
Preferred stock, shares authorized 100,000,000us-gaap_PreferredStockSharesAuthorized   100,000,000us-gaap_PreferredStockSharesAuthorized
Preferred stock, par value $ 0.001us-gaap_PreferredStockParOrStatedValuePerShare   $ 0.001us-gaap_PreferredStockParOrStatedValuePerShare
Preferred stock, shares issued        
Preferred stock, shares outstanding        
Common stock, shares authorized 100,000,000us-gaap_CommonStockSharesAuthorized   100,000,000us-gaap_CommonStockSharesAuthorized
Common stock, par value $ 0.001us-gaap_CommonStockParOrStatedValuePerShare   $ 0.001us-gaap_CommonStockParOrStatedValuePerShare
Common stock, shares issued 21,554,945us-gaap_CommonStockSharesIssued   21,554,945us-gaap_CommonStockSharesIssued
Common stock, shares outstanding 21,554,945us-gaap_CommonStockSharesOutstanding   21,554,945us-gaap_CommonStockSharesOutstanding
Required revenue amount to vest all issued warrants $ 12,500,000NAEY_FixedAmountOfRevenueToVestAllIssuedWarrants    
Certificate One [Member]      
Number of warrants issued 10,000,000NAEY_NumberOfWarrantsIssued
/ us-gaap_ClassOfWarrantOrRightAxis
= NAEY_WarrantsCertificateOneMember
   
Warrants, strike price $ 0.025NAEY_WarrantsStrikePricePerShare
/ us-gaap_ClassOfWarrantOrRightAxis
= NAEY_WarrantsCertificateOneMember
   
Certificate Two [Member]      
Number of warrants issued 10,000,000NAEY_NumberOfWarrantsIssued
/ us-gaap_ClassOfWarrantOrRightAxis
= NAEY_WarrantsCertificateTwoMember
   
Warrants, strike price $ 0.04NAEY_WarrantsStrikePricePerShare
/ us-gaap_ClassOfWarrantOrRightAxis
= NAEY_WarrantsCertificateTwoMember
   
Certificate Three [Member]      
Number of warrants issued 10,000,000NAEY_NumberOfWarrantsIssued
/ us-gaap_ClassOfWarrantOrRightAxis
= NAEY_WarrantsCertificateThreeMember
   
Warrants, strike price $ 0.055NAEY_WarrantsStrikePricePerShare
/ us-gaap_ClassOfWarrantOrRightAxis
= NAEY_WarrantsCertificateThreeMember
   
Certificate One [Member]      
Warrants expiration period 1 year    
Certificate Two [Member]      
Warrants expiration period 5 years    
Certificate Three [Member]      
Warrants expiration period 5 years    
Director[Member] | Warrant [Member]      
Acquisition of shares   500,000us-gaap_StockIssuedDuringPeriodSharesAcquisitions
/ us-gaap_ClassOfWarrantOrRightAxis
= us-gaap_DirectorMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_WarrantMember
 
Number of stock options reserved   $ 0.18us-gaap_SharesIssuedPricePerShare
/ us-gaap_ClassOfWarrantOrRightAxis
= us-gaap_DirectorMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_WarrantMember