Ring Energy, Inc. Annual report pursuant to Section 13 and 15(d)

Annual report pursuant to Section 13 and 15(d)

STOCKHOLDERS' EQUITY - Additional information (Details)

STOCKHOLDERS' EQUITY - Additional information (Details) - USD ($)		1 Months Ended					12 Months Ended
	Feb. 25, 2019	Oct. 31, 2020	Apr. 30, 2020	Apr. 30, 2019	Dec. 31, 2018	Feb. 28, 2018	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Class of Stock [Line Items]
Common Stock, Shares Authorized							150,000,000	150,000,000
Common Stock, Par or Stated Value Per Share							$ 0.001	$ 0.001
Preferred Stock, Shares Authorized							50,000,000	50,000,000
Share Price								$ 10.58
Proceeds From Issuance Of Common Stock Gross		$ 16,089,582					$ 3,300
Proceeds from issuance of common stock, net of offering costs							19,383,131	$ 0	$ 81,821,138
Class of Warrant or Right, Exercise Price of Warrants or Rights		$ 0.80
Return of Common Stock Issued as Consideration in Asset Acquisition							103,385
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned							$ 103,385
Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period	153,113							153,113
Pre-funded warrants
Class of Stock [Line Items]
Common Stock, Shares Authorized							3,300,000
Stock Issued During Period, Shares, New Issues		13,428,500
Common warrants
Class of Stock [Line Items]
Stock Issued During Period, Shares, New Issues		23,004,300
Stock and Warrants Issued During Period, Purchase Price per Share		$ 0.70
Warrants and Rights Outstanding, Term		5 years
Return of Common Stock Issued Shares as Consideration in Asset Acquisition			16,702
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
Business Acquisition, Share Price	$ 6.19
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned	$ 28,331,327
Underwritten Public Offering
Class of Stock [Line Items]
Stock Issued During Period, Shares, New Issues		9,575,800				6,164,000
Share Price						$ 14.00
Proceeds From Issuance Of Common Stock Gross						$ 86,296,000	$ 20,846,282
Proceeds from issuance of common stock, net of offering costs						81,821,138	19,379,832
Payments of Stock Issuance Costs						$ 4,474,862
Over-Allotment Option
Class of Stock [Line Items]
Stock Issued During Period, Shares, New Issues						804,000
Registered direct offering
Class of Stock [Line Items]
Stock Issued During Period, Shares, New Issues		3,500,000
Proceeds From Issuance Of Common Stock Gross		$ 4,756,700					20,846,282
Warrants and Rights Outstanding, Term		5 years
Class of Warrant or Right, Exercise Price of Warrants or Rights		$ 0.80
Proceeds from Issuance or Sale of Equity							$ 161,269
Registered direct offering \| Pre-funded warrants
Class of Stock [Line Items]
Stock Issued During Period, Shares, New Issues		3,300,000					13,428,500
Stock and Warrants Issued During Period, Purchase Price per Share		$ 0.70
Registered direct offering \| Common warrants
Class of Stock [Line Items]
Stock Issued During Period, Shares, New Issues		6,800,000					184,800