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Income Taxes - Additional Information (Detail) (USD $)	3 Months Ended	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2014	Dec. 31, 2013
Income Taxes [Line Items]
Non-cash savings		$ 300,000us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount
Recognition of a valuation allowance against deferred tax assets in the U.S		7,800,000us-gaap_DeferredTaxAssetsValuationAllowance	5,400,000us-gaap_DeferredTaxAssetsValuationAllowance
Net operating loss carry forwards, federal		7,400,000us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsDomestic
Net operating loss carry forwards, state		11,000,000aeti_IncomeTaxExaminationDeferredIncomeTaxAssetDecreased
Income tax examination, year under examination		2008
Adjusted annual net operating loss carry forward limitation expiration year	2027
Effective tax rate		34.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	34.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
Adjusted Annual Net Operating Loss Carry Forward Limitation
Income Taxes [Line Items]
Net operating loss carry forwards related to business combination		7,400,000aeti_NetOperatingLossCarryforwardsRelatedToBusinessCombination / us-gaap_TaxCreditCarryforwardAxis = aeti_AdjustedAnnualNetOperatingLossCarryForwardLimitationMember
Adjusted Annual Net Operating Loss Carry Forward Limitation | U.S. federal | Internal Revenue Service (IRS)
Income Taxes [Line Items]
Net operating loss carry forwards subject to expiration	299,000us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration / us-gaap_IncomeTaxAuthorityAxis = us-gaap_DomesticCountryMember / us-gaap_IncomeTaxAuthorityNameAxis = us-gaap_InternalRevenueServiceIRSMember / us-gaap_TaxCreditCarryforwardAxis = aeti_AdjustedAnnualNetOperatingLossCarryForwardLimitationMember
Minimum
Income Taxes [Line Items]
Operating loss carry forwards expiration date		Dec. 31, 2019
Maximum
Income Taxes [Line Items]
Operating loss carry forwards expiration date		Dec. 31, 2031

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible domestic operating loss carryforwards. Excludes state and local operating loss carryforwards.

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