Quarterly report pursuant to Section 13 or 15(d)

DERIVATIVE FINANCIAL INSTRUMENTS - Schedule of contracts on the balance sheet (Details)

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DERIVATIVE FINANCIAL INSTRUMENTS - Schedule of contracts on the balance sheet (Details) - USD ($)
Jun. 30, 2021
Dec. 31, 2020
Liabilities    
Commodity derivative instruments $ 42,517,473 $ 3,287,328
Derivative liabilities, current 42,517,473 3,287,328
Commodity derivative instruments 10,147,883 869,273
Derivative liabilities, non-current $ 10,147,883 $ 869,273