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Discontinued Operations - Analysis of Assets Sold and Liabilities Assumed by Buyer and Related Gain on Sale from Transaction (Parenthetical) (Detail) $ in Thousands | Aug. 12, 2018 USD ($)
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Discontinued Operations And Disposal Groups [Abstract] |
Transaction costs | $ 2,180

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- Definition Sale of assets transaction costs. + References No definition available. + Details
Name: | aeti_SaleOfAssetsTransactionCosts
Namespace Prefix: | aeti_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_DiscontinuedOperationsAndDisposalGroupsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration