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STOCKHOLDERS' EQUITY (Narrative) (Details) (USD $)
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Apr. 10, 2012
Authorized Capital Stock        
Common stock, shares authorized (in Shares) 125,000,000us-gaap_CommonStockSharesAuthorized 125,000,000us-gaap_CommonStockSharesAuthorized    
Common stock, par value (in Dollars per Share) $ 0.001us-gaap_CommonStockParOrStatedValuePerShare $ 0.001us-gaap_CommonStockParOrStatedValuePerShare    
Preferred stock, shares authorized (in Shares) 2,000,000us-gaap_PreferredStockSharesAuthorized 2,000,000us-gaap_PreferredStockSharesAuthorized    
Preferred stock, par value (in Dollars per Share) $ 0.001us-gaap_PreferredStockParOrStatedValuePerShare $ 0.001us-gaap_PreferredStockParOrStatedValuePerShare    
Increase to authorized shares new authorized common shares to be effective when approved by Delaware Secretary of State       500,000,000aerg_IncreaseToAuthorizedSharesNewAuthorizedCommonSharesToBeEffectiveWhenApprovedByDelawareSecretaryOfState
Preferred Stock        
Number of Series A Redeemable Convertible Preferred Stock Outstanding (in Shares) 107,172us-gaap_PreferredStockSharesOutstanding 107,172us-gaap_PreferredStockSharesOutstanding    
Preferred stock, dividend arrearages $ 402,000us-gaap_PreferredStockAmountOfPreferredDividendsInArrears      
Preferred Stock, Liquidation Preference Per Share (in Dollars per Share) $ 25us-gaap_PreferredStockLiquidationPreference      
Preferred Stock, Dividend Rate, Percentage (in Percent) 6.50%us-gaap_PreferredStockDividendRatePercentage      
Percent of the weighted average of the last sales price of common stock, common stock dividends issued for (in Percent) 95.00%aerg_PercentOfWeightedAverageSalesPriceCommonStockDividends      
Trading day period (in Duration) 10 days      
Period of failed dividend payment at which dividend rate increases by 1% (in Duration) 5 days      
Percent amount of dividend rate increase after failed payment within 5 business days (in Percent) 1.00%aerg_PercentAmountOfDividendRateIncreaseAfterFailedPaymentWithinFiveBusinessDays      
Preferred Stock, dividend rate, percentage after increase due to failed payment after 5 business days (in Percent) 7.50%aerg_PreferredStockDividendRatePercentageAfterAutomaticIncrease      
Number of consecutive payment defaults causing increase to liquidation preference percentage (in Integer) 2aerg_NumberOfConsecutivePaymentDefaultsCausingIncreaseToLiquidationPreferencePercentage      
Increased dividend rate on payment default on two consecutive dividend payment dates (in Percent) 10.00%aerg_IncreasedDividendRateOnPaymentDefaulatOnTwoConsecutiveDividendPaymentDates      
Preferred stock conversion price per share (in Dollars per Share) $ 12.00aerg_PreferredStockConversionPricePerShare      
Minimum percent of closing stock price to conversion price, on 20 out of 30 days, to permit Company to redeem preferred sotck with 30 days notice at a conversion price of 100% of the liquidation preference of the shares to be redeemed (in Percent) 140.00%aerg_MinimumPercentOfClosingStockPriceToConversionPrice      
Notice period for Company redemption of preferred stock (in Duration) 30 days      
Purchase price per share, percent of liquidation preference required of Company to holders of Series A Convertible Preferred Stock (in Percent) 100.00%aerg_PurchasePricePerSharePercentOfLiquidationPreferenceRequiredOfCompanyToHoldersOfSeriesAConvertiblePreferredStock      
Purchase price per share, percent of liquidation preference required of Company on change of control (in Percent) 101.00%aerg_PurchasePricePerSharePercentOfLiquidationPreference      
Percent discounting of common stock value required if change of control triggers Company redemption of preferred stock, and Company elects to redeem via common stock issuance (in Percent) 5.00%aerg_DiscountOffFairMarketValueOfCommonStockValueIssuableIfChangeOfControlRequiresPreferredStockRedemption      
Number of fractional common shares issuable on change of control redemption of preferred stock (in Shares) 0aerg_NumberOfFractionalCommonSharesIssuableOnChangeOfControlredemptionOfPreferredStock      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Share based payment awards, exercise period (in Duration) 10 years      
Share based compensation, options to purchase common stock, outstanding (in Shares) 32,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber 519,500us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber 1,172,166us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber  
Unvested, ending balance (in Shares)    7,425us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber 76,458us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber  
Shares available for award (in Shares) 8,343,067us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant      
Options granted (in Shares) 0us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross 0us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross    
Unrecognized compensation costs related to unvested options equity awards, net of estimated forfeitures 0us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions      
Share based compensation expense 2,000us-gaap_ShareBasedCompensation 16,000us-gaap_ShareBasedCompensation    
Aggregate intrinsic value of options outstanding 0us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue 0us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue    
Weighted average remaining contractual life of outstanding options (in Duration) 1 year 5 months 12 days 1 year 5 months 12 days    
Compensation expense recorded for shares and options delivered to non-employee consultants $ 0us-gaap_IssuanceOfStockAndWarrantsForServicesOrClaims $ 0us-gaap_IssuanceOfStockAndWarrantsForServicesOrClaims    
2007 Stock Incentive Plan [Member]        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Share based compensation, options to purchase common stock, outstanding (in Shares) 32,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
/ us-gaap_PlanNameAxis
= aerg_StockIncentivePlan2Member
132,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
/ us-gaap_PlanNameAxis
= aerg_StockIncentivePlan2Member
   
Share grants approved (in Shares) 10,000,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
/ us-gaap_PlanNameAxis
= aerg_StockIncentivePlan2Member
     
Shares available for grant in first five years (in Shares) 5,000,000aerg_SharesAvailableForGrantInFirstFiveYears
/ us-gaap_PlanNameAxis
= aerg_StockIncentivePlan2Member
     
Maximum shares available for grant in any consecutive twelve month period in Plan's first two years (in Shares) 1,000,000aerg_MaximumSharesAvailableForGrantInAnyConsecutiveTwelveMonthPeriodInPlansFirstTwoYears
/ us-gaap_PlanNameAxis
= aerg_StockIncentivePlan2Member
     
Maximum shares available for grant in any consecutive twelve month period in Plan's third through fifth years (in Shares) 2,000,000aerg_MaximumSharesAvailableForGrantInAnyConsecutiveTwelveMonthPeriodInPlansFirstThirdThroughFifthYears
/ us-gaap_PlanNameAxis
= aerg_StockIncentivePlan2Member
     
Shares available for award (in Shares) 8,343,067us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
/ us-gaap_PlanNameAxis
= aerg_StockIncentivePlan2Member