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Percentage of the Company's Founder and Co-Chairman beneficial ownership percentage of the Company's issued and outstanding common stock.

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Including the current and noncurrent portions, carrying value as of the balance sheet date of a written promise to pay a note, initially due after one year or beyond the operating cycle if longer, which can be exchanged for a specified amount of one or more securities (typically common stock), at the option of the issuer or the holder.

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The value of the financial instrument(s) that the original debt is being converted into in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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Face (par) amount of debt instrument at time of issuance.

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Percentage investment held by members or limited partners of limited liability company (LLC) or limited partnership (LP).

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The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

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Amount of daily production of the applicable energy source.

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Ratio applied to the conversion of stock split, for example but not limited to, one share converted to two or two shares converted to one.

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Overview and Basis of Presentation - Additional Information (Detail) gallon in Thousands					9 Months Ended
	Aug. 30, 2019 USD ($)	Jul. 29, 2019	Jul. 26, 2019 shares	Nov. 30, 2018 USD ($)	Sep. 30, 2019 USD ($) gallon	Sep. 30, 2018 USD ($)	Aug. 16, 2019 USD ($)
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Reverse stock split, conversion ratio		0.125
Convertible debt				$ 48,700,000
Convertible debt, exchanged	$ 7,000,000			$ 48,700,000	$ 7,000,000	$ 0
M/G Finance Co., Ltd. \| Secured Promissory Note
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Debt instrument, face amount							$ 5,000,000
M/G Finance Co., Ltd. \| Secured Promissory Note \| Secured Debt
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Debt instrument, face amount							$ 5,000,000
Share Exchange Agreement \| Board of Directors Chairman
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Percentage of beneficial ownership			88.40%
Share Exchange Agreement \| Stabilis LLC
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Number of shares of the combined company (in shares) \| shares			13,178,750
PEG Partners LLC \| Share Exchange Agreement
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Percentage of outstanding limited liability owned			80.00%
American Electric \| Share Exchange Agreement
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Percentage of shares issued			90.00%
American Electric \| Stabilis LLC \| Share Exchange Agreement
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Percentage of outstanding limited liability owned			100.00%
American Electric \| PEG Partners LLC \| Share Exchange Agreement
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Percentage of outstanding limited liability owned			20.00%
American Electric \| Prometheus Energy Group Inc. \| Share Exchange Agreement
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Percentage of outstanding limited liability owned			100.00%
AEGIS NG LLC \| PEG Partners LLC \| Share Exchange Agreement
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Noncontrolling interest percentage			20.00%
Stabilis LLC \| PEG Partners LLC \| Share Exchange Agreement
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Percentage of outstanding limited liability owned			80.00%
Stabilis Energy, Inc. \| American Electric \| Share Exchange Agreement
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Percentage of outstanding limited liability owned			100.00%
Texas
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Daily capacity of production facility in gallons \| gallon					120
Permian Basin
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Daily capacity of production facility in gallons \| gallon					25