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DERIVATIVE FINANCIAL INSTRUMENTS (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Gain (loss) on derivatives $ 492,862 $ 925,231
Oil derivatives [Member]        
Gain (loss) on derivatives 492,530 917,482
Natural gas derivatives [Member]        
Gain (loss) on derivatives $ 332 $ 7,749