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ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Total depletion and depletion per barrel (Details) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Depletion	$ 55,870,246	$ 38,810,864	$ 20,197,690
Depletion rate, per barrel-of-oil-equivalent (BOE)	$ 14.15	$ 17.38	$ 13.92

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- Definition

Depletion costs incurred in the oil during the reporting period divided by the number of barrels of oil equivalents (BOE) produced.

+ References

No definition available.

+ Details

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- Definition

The noncash expense charged against earnings to recognize the consumption of oil and gas reserves that are part of an entities' assets.

+ References

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

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- References

No definition available.

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