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Commitments and Contingencies - Additional Information (Detail) - Medical And Hospitalization Insurance Program - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016
Loss Contingencies [Line Items] |  |
Minimum insurance premium | $ 910,000 | $ 1,070,000
Insurance reserves | 130,000 | $ 20,000
Maximum |  |
Loss Contingencies [Line Items] |  |
Liable for all claims per insured annual amount | 70,000 |
Liable for all claims per insured aggregate amount | $ 1,700,000 |

X
- Definition Insurance claims aggregate amount + References No definition available. + Details
Name: | aeti_InsuranceClaimsAggregateAmount
Namespace Prefix: | aeti_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Insurance claims per insured amount + References No definition available. + Details
Name: | aeti_InsuranceClaimsPerInsuredAmount
Namespace Prefix: | aeti_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Insurance reserves included in accrued payroll and benefits. + References No definition available. + Details
Name: | aeti_InsuranceReservesIncludedInAccruedPayrollAndBenefits
Namespace Prefix: | aeti_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Labor and related insurance expense. + References No definition available. + Details
Name: | aeti_LaborAndRelatedInsuranceExpense
Namespace Prefix: | aeti_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_LossContingenciesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_OtherCommitmentsAxis=aeti_MedicalAndHospitalizationInsuranceProgramMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |