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Summary of Significant Accounting Policies - Additional Information (Detail) (USD $)
12 Months Ended 0 Months Ended
Dec. 31, 2014
Customer
Dec. 31, 2013
Customer
Mar. 08, 2012
Schedule Of Accounting Policies [Line Items]      
Amortization expense related to intangible assets $ 108,000us-gaap_AmortizationOfIntangibleAssets $ 108,000us-gaap_AmortizationOfIntangibleAssets  
Non-time and material jobs of short term nature duration description less than one month    
Number of Customers 1aeti_NumberOfCustomers 1aeti_NumberOfCustomers  
Geographic Concentration Risk | Sales | Gulf Coast region      
Schedule Of Accounting Policies [Line Items]      
Customer accountability percentage 7.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_GeographicConcentrationRiskMember
/ us-gaap_StatementGeographicalAxis
= aeti_GulfCoastRegionOfUnitedStatesMember
9.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_GeographicConcentrationRiskMember
/ us-gaap_StatementGeographicalAxis
= aeti_GulfCoastRegionOfUnitedStatesMember
 
Customer one | Credit Concentration Risk | Sales      
Schedule Of Accounting Policies [Line Items]      
Customer accountability percentage 12.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CreditConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= aeti_CustomerOneMember
17.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CreditConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= aeti_CustomerOneMember
 
Customer one | Credit Concentration Risk | Accounts Receivable      
Schedule Of Accounting Policies [Line Items]      
Customer accountability percentage 4.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_AccountsReceivableMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CreditConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= aeti_CustomerOneMember
9.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_AccountsReceivableMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CreditConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= aeti_CustomerOneMember
 
Acquired Technology | Amnor Technologies      
Schedule Of Accounting Policies [Line Items]      
Cash payment for acquisition     100,000us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired
/ us-gaap_BusinessAcquisitionAxis
= us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_TechnologyBasedIntangibleAssetsMember
Shares payment for acquisition     44,000us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued
/ us-gaap_BusinessAcquisitionAxis
= us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_TechnologyBasedIntangibleAssetsMember
Common stock, per share     $ 4.95us-gaap_BusinessAcquisitionSharePrice
/ us-gaap_BusinessAcquisitionAxis
= us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_TechnologyBasedIntangibleAssetsMember
Equity Interests Issuable Period     3 years
Intangible assets acquired     322,000us-gaap_FinitelivedIntangibleAssetsAcquired1
/ us-gaap_BusinessAcquisitionAxis
= us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_TechnologyBasedIntangibleAssetsMember
Transaction cost     4,000us-gaap_BusinessAcquisitionCostOfAcquiredEntityTransactionCosts
/ us-gaap_BusinessAcquisitionAxis
= us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_TechnologyBasedIntangibleAssetsMember
Business acquisition equity interests issued during period, percentage of shares     25.00%aeti_BusinessAcquisitionEquityInterestsIssuablePeriodPercentageOfShares
/ us-gaap_BusinessAcquisitionAxis
= us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_TechnologyBasedIntangibleAssetsMember
Estimated useful life     3 years
Acquired Technology | Amnor Technologies | General and Administrative Expense      
Schedule Of Accounting Policies [Line Items]      
Amortization expense related to intangible assets 108,000us-gaap_AmortizationOfIntangibleAssets
/ us-gaap_BusinessAcquisitionAxis
= us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_TechnologyBasedIntangibleAssetsMember
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_GeneralAndAdministrativeExpenseMember
108,000us-gaap_AmortizationOfIntangibleAssets
/ us-gaap_BusinessAcquisitionAxis
= us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_TechnologyBasedIntangibleAssetsMember
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_GeneralAndAdministrativeExpenseMember
 
Arc-resistant Technology      
Schedule Of Accounting Policies [Line Items]      
Intangible assets acquired $ 218,000us-gaap_FinitelivedIntangibleAssetsAcquired1
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= aeti_ArcResistantTechnologyMember
   
First Anniversary | Acquired Technology | Amnor Technologies      
Schedule Of Accounting Policies [Line Items]      
Business acquisition equity interests issued during period, percentage of shares     25.00%aeti_BusinessAcquisitionEquityInterestsIssuablePeriodPercentageOfShares
/ us-gaap_BusinessAcquisitionAxis
= us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_TechnologyBasedIntangibleAssetsMember
/ us-gaap_StatementScenarioAxis
= aeti_FirstAnniversaryMember
Second Anniversary | Acquired Technology | Amnor Technologies      
Schedule Of Accounting Policies [Line Items]      
Business acquisition equity interests issued during period, percentage of shares     25.00%aeti_BusinessAcquisitionEquityInterestsIssuablePeriodPercentageOfShares
/ us-gaap_BusinessAcquisitionAxis
= us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_TechnologyBasedIntangibleAssetsMember
/ us-gaap_StatementScenarioAxis
= aeti_SecondAnniversaryMember
Third Anniversary | Acquired Technology | Amnor Technologies      
Schedule Of Accounting Policies [Line Items]      
Business acquisition equity interests issued during period, percentage of shares     25.00%aeti_BusinessAcquisitionEquityInterestsIssuablePeriodPercentageOfShares
/ us-gaap_BusinessAcquisitionAxis
= us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_TechnologyBasedIntangibleAssetsMember
/ us-gaap_StatementScenarioAxis
= aeti_ThirdAnniversaryMember
Completed Service Basis      
Schedule Of Accounting Policies [Line Items]      
Sales revenue percentage 8.00%aeti_SalesRevenuePercentage
/ us-gaap_StatementScenarioAxis
= aeti_CompletedServiceBasisMember
   
Product Shipped and Title Passes to Customer Basis      
Schedule Of Accounting Policies [Line Items]      
Sales revenue percentage 3.00%aeti_SalesRevenuePercentage
/ us-gaap_StatementScenarioAxis
= aeti_ProductShippedAndTitlePassesToCustomerBasisMember