Annual report pursuant to Section 13 and 15(d)

Supplemental Oil and Gas Reserve Information (Unaudited) - Schedule of Standardized Measure of Discounted Future Net Cash Flows (Details)

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Supplemental Oil and Gas Reserve Information (Unaudited) - Schedule of Standardized Measure of Discounted Future Net Cash Flows (Details) - USD ($)
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Oil and Gas Exploration and Production Industries Disclosures [Abstract]      
Future cash inflows $ 360,258,000 $ 268,949,000  
Future production costs (126,192,000) (103,926,000)  
Future development costs (53,250,000) (48,000,000)  
Future income tax expense (54,833,123) (23,275,919)  
Future net cash flows 125,982,877 93,747,081  
10% annual discount for estimated timing of cash flow (77,591,818) (68,046,395)  
Standard measure of discounted future net cash flows related to proved reserves $ 48,391,059 $ 25,700,686 $ 9,531,132