FAIR VALUE MEASUREMENTS (Details) - Commodity Contract - USD ($)	Jun. 30, 2020	Dec. 31, 2019
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Commodity derivative contracts assets	$ 3,231,583	$ 804,501
Commodity derivative contracts liabilities	(350,360)
Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Commodity derivative contracts assets	3,231,583	$ 804,501
Commodity derivative contracts liabilities	$ (350,360)

Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

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