XML 33 R23.htm IDEA: XBRL DOCUMENT v3.19.1

Overview and Basis of Presentation - Additional Information (Detail)	Mar. 31, 2019
M&I Electric Industries, Inc.
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]
Ownership interest in wholly-owned subsidiary	100.00%

X

- Definition

Direct ownership percentage.

+ References

No definition available.

+ Details

Name:	aeti_DirectOwnershipPercentage
Namespace Prefix:	aeti_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

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_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	dei_LegalEntityAxis=aeti_MAndIElectricIndustriesIncMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: