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10. Derivative Instruments (Details-Derivative Gains and Losses)
3 Months Ended
Mar. 31, 2016
USD ($)
Realized gain (loss) on derivatives, net $ 0
Gain (loss) on the mark-to-market of derivatives, net (15,887)
Crude Oil Fixed Price Swap [Member]  
Realized gain (loss) on derivatives, net 0
Gain (loss) on the mark-to-market of derivatives, net (19,898)
Crude Oil Collars [Member]  
Realized gain (loss) on derivatives, net 0
Gain (loss) on the mark-to-market of derivatives, net $ 4,011