Contractual interest rate for funds borrowed, under the debt agreement.

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Description of the interest rate as being fixed or variable, and, if variable, identification of the index or rate on which the interest rate is based and the number of points or percentage added to that index or rate to set the rate, and other pertinent information, such as frequency of rate resets.

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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.

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- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

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Date the credit facility first became available, in CCYY-MM-DD format.

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

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- Definition

Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

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Notes Payable - Additional Information (Detail) - USD ($)		6 Months Ended
	Jun. 06, 2017	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018
Debt Instrument [Line Items]
Short-term financing		$ 338,000		$ 202,000
Santander bank
Debt Instrument [Line Items]
Interest rate			11.88%
Debt instrument, maturity date		Mar. 31, 2020
Short-term financing			$ 200,000
Senior Secured Term Note \| Loan Agreement \| M&I Brazil \| Former Chairman of AETI
Debt Instrument [Line Items]
Line of credit facility, agreement date	Jun. 06, 2017
Line of credit facility, maximum borrowing capacity	$ 300,000
Loan facility drawn and outstanding		$ 200,000
Interest rate	10.00%
Debt instrument, interest rate terms		the interest rate on the loan facility is 10.0%, per annum, payable each quarter.
Debt instrument, maturity date	Jun. 30, 2020