XML 93 R78.htm IDEA: XBRL DOCUMENT v3.10.0.1
COMMODITY DERIVATIVE INSTRUMENTS -Fair Value of Derivative Instruments within Balance Sheet (Details)
Dec. 31, 2018
USD ($)
Derivative [Line Items]  
Total Derivative commodity $ 695,941
Crude oil swaps  
Derivative [Line Items]  
Derivative commodity asset 48,724
Crude oil futures  
Derivative [Line Items]  
Derivative commodity asset $ 647,217