Number of Common Stock Held in Escrow.

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- Definition

The gross cash inflow from the additional capital contribution to the entity.

+ References

No definition available.

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- Definition

Value of equity interests (such as common shares, preferred shares, or partnership interest) issued or issuable to acquire the entity.

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- Definition

Number of shares of equity interests issued or issuable to acquire entity.

+ References

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- Definition

Price of a single share of a number of saleable stocks paid or offered to be paid in a business combination.

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No definition available.

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- 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.

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- Definition

Face amount or stated value per share of common stock.

+ References

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- Definition

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

+ References

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- Definition

The cash outflow for cost incurred directly with the issuance of an equity security.

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- Definition

The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.

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The cash inflow from the additional capital contribution to the entity.

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- Definition

Number of shares issued under share-based payment arrangement.

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- Definition

Price of a single share of a number of saleable stocks of a company.

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No definition available.

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- Definition

Number of new stock issued during the period.

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STOCKHOLDERS' EQUITY - Additional information (Details) - USD ($)	1 Months Ended				3 Months Ended	6 Months Ended	9 Months Ended		12 Months Ended
	Apr. 30, 2019	Dec. 31, 2018	Feb. 28, 2018	Jul. 31, 2017	Mar. 31, 2019	Jun. 30, 2019	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Feb. 25, 2019
Class of Stock [Line Items]
Common Stock, Shares Authorized		150,000,000			150,000,000	150,000,000	150,000,000		150,000,000	150,000,000
Common Stock, Par or Stated Value Per Share		$ 0.001			$ 0.001	$ 0.001	$ 0.001		$ 0.001	$ 0.001
Preferred Stock, Shares Authorized		50,000,000			50,000,000	50,000,000	50,000,000		50,000,000	50,000,000
Share Price		$ 10.58						$ 11.80		$ 10.58	$ 13.18
Proceeds from issuance of common stock, net of offering costs					$ 0	$ 0	$ 0		$ 0	$ 81,821,138	$ 59,026,956
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned					$ 28,356,396
Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period								103,113		153,113	133,308
Oil and Natural Gas Assets in Andrews County
Class of Stock [Line Items]
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares		2,623,948
Business Acquisition, Share Price		$ 5.80								$ 5.80
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned		$ 11,204,258								$ 11,204,258
Wishbone Partners, LLC
Class of Stock [Line Items]
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares	4,576,951
Common Stock Held in Escrow	2,538,071
Business Acquisition, Share Price												$ 6.19
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned												$ 28,356,396
Underwritten Public Offering
Class of Stock [Line Items]
Stock Issued During Period, Shares, New Issues			6,164,000	4,977,658
Share Price			$ 14.00	$ 12.50
Proceeds From Issuance Of Common Stock Gross			$ 86,296,000	$ 62,220,725
Proceeds from issuance of common stock, net of offering costs			81,821,138	59,026,956					$ 81,821,138
Payments of Stock Issuance Costs			$ 4,474,862	$ 3,193,769
Over-Allotment Option
Class of Stock [Line Items]
Stock Issued During Period, Shares, New Issues			804,000	477,658