Amount of Outstanding Common Stock Sold and Distributed, Percentage

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Minimum ownership percentage on common stock issued and outstanding required for nominating one director.

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Minimum ownership percentage on common stock issued and outstanding required for nominating two directors.

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Number of directors.

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Ownership percentage required to appoint board of directors.

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Sale or Distribution of Common Stock, Shares

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Amount of decrease in additional paid in capital (APIC) resulting from direct costs associated with issuing stock. Includes, but is not limited to, legal and accounting fees and direct costs associated with stock issues under a shelf registration.

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Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

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The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.

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Amount of the total principal payments made during the annual reporting period.

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

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

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The cash outflow from the acquisition of real estate intended to generate income for the owner; excludes land acquired for use by the owner.

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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.

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Cash received on stock transaction after deduction of issuance costs.

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The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.

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Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction.

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Related Party Activities - Additional Information (Details)	1 Months Ended			3 Months Ended
	Feb. 28, 2019 USD ($)	Jan. 31, 2018 USD ($)	Dec. 31, 2016 USD ($) shares	Mar. 31, 2019 USD ($)	Mar. 31, 2018 USD ($)	Oct. 09, 2018 shares	Sep. 30, 2018	Oct. 26, 2016 Director	Aug. 02, 2016 USD ($) $ / shares shares
Related Party Transaction [Line Items]
Debt instrument interest rate (as a percent)				11.25%
Leucadia
Related Party Transaction [Line Items]
Offering fee recorded as reduction to additional paid-in capital		$ 1,000,000
Leucadia \| Class A Voting Common Stock
Related Party Transaction [Line Items]
Number of common shares issued \| shares			3,478,261
Common shares issued, Value			$ 20,000,000
Leucadia \| Maximum \| Class A Voting Common Stock
Related Party Transaction [Line Items]
Minimum ownership percentage required to appoint board of directors							50.00%
Leucadia \| Securities Purchase Agreement \| 12% Senior Secured Second Lien Notes Due 2021
Related Party Transaction [Line Items]
Debt instrument interest rate (as a percent)									12.00%
Common stock price per share (in dollars per share) \| $ / shares									$ 5.00
Leucadia \| Securities Purchase Agreement \| 12% Senior Secured Second Lien Notes Due 2021 \| Maximum
Related Party Transaction [Line Items]
Debt instrument face amount									$ 49,900,000
Warrants to purchase common stock \| shares									998,000
Juneau Energy, LLC \| Securities Purchase Agreement
Related Party Transaction [Line Items]
Warrants to purchase common stock \| shares			500,000
Juneau Energy, LLC \| Securities Purchase Agreement \| Second Lien Notes
Related Party Transaction [Line Items]
Debt instrument face amount			$ 25,000,000
Repayment of principal second lien notes			$ 21,000,000
EF Realisation \| Class A Voting Common Stock \| Board Representation Agreement
Related Party Transaction [Line Items]
Minimum ownership percentage on common stock issued and outstanding required for nominating two directors								15.00%
Minimum ownership percentage on common stock issued and outstanding required for nominating one director								10.00%
EF Realisation \| Maximum \| Class A Voting Common Stock
Related Party Transaction [Line Items]
Number of directors to be nominated \| Director								2
EF Realisation \| Minimum \| Class A Voting Common Stock
Related Party Transaction [Line Items]
Number of directors to be nominated \| Director								1
New Tech Global Ventures LLC
Related Party Transaction [Line Items]
Cost of consultancy services				$ 291,000	$ 184,000
Affiliated Entity
Related Party Transaction [Line Items]
Payments to acquire land	$ 2,000,000
Affiliated Entity \| Class A Voting Common Stock
Related Party Transaction [Line Items]
Sale or distribution of common stock (in shares) \| shares						4,174,259
Amount of outstanding common stock sold and distributed, percentage						17.00%