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The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

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Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
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-Subparagraph (SX 210.5-02(29))
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-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 2
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No definition available.

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The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

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The total number of producing oil wells and oil wells capable of production, in which the entity owns a fractional working interest.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-K (SK)
-Number 229
-Section 1208
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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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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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Organization and Summary of Significant Accounting Policies - Organization and Basis of Presentation (Details)	Dec. 19, 2017	Dec. 31, 2017 well $ / shares shares	Aug. 21, 2017	Aug. 20, 2017	Dec. 31, 2016 $ / shares shares
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Number of wells \| well		30
Noncontrolling Interest [Line Items]
Reverse stock split conversion ratio	0.023631579
Common stock, shares authorized		300,000,000			300,000,000
Common stock, par value (in dollars per share) \| $ / shares		$ 0.001			$ 0.001
Common stock, shares outstanding		5,206,174			823,278
Subsidiaries
Noncontrolling Interest [Line Items]
Ownership percentage by noncontrolling owners			50.00%	50.00%