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Discontinued Operations - Condensed Consolidated Statements of Cash Flows (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2014
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]  
Net increase (decrease) in cash and cash equivalents $ (40)us-gaap_NetCashProvidedByUsedInDiscontinuedOperations
American Access Technologies, Inc.  
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]  
Net cash (used in) operating activities (40)us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations
/ dei_LegalEntityAxis
= aeti_AmericanAccessTechnologiesIncMember
Advances (to) from parent $ 40aeti_AdvancesToFromParent
/ dei_LegalEntityAxis
= aeti_AmericanAccessTechnologiesIncMember