DERIVATIVE FINANCIAL INSTRUMENTS (Details) - USD ($)	3 Months Ended	6 Months Ended
Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Gain (loss) on derivatives	$ (402,374)	$ 500,728	$ 2,106,671	$ 432,369
Oil derivatives [Member]
Gain (loss) on derivatives	(402,374)	492,548	2,106,671	424,952
Natural gas derivatives [Member]
Gain (loss) on derivatives	$ 0	$ 8,180	$ 0	$ 7,417

The difference between the book value and the sale price of options, swaps, futures, forward contracts, and other derivative instruments. This element refers to the gain (loss) included in earnings.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
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-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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