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Fair Value Measurements (Summary Of Unobservable Inputs For Level 3 Fair Value Measurements) (Details) (USD $)
3 Months Ended
Dec. 31, 2013
Oil costless collars [Member]
 
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]  
Unobservable Input Oil price volatility curve
Weighted Average 9.26%
Fair Value $ (177,849)
Oil costless collars [Member] | Minimum [Member]
 
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]  
Range 0.00%
Oil costless collars [Member] | Maximum [Member]
 
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]  
Range 17.35%
Natural Gas Costless Collars [Member]
 
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]  
Unobservable Input Natural gas price volatility curve
Weighted Average 14.41%
Fair Value $ (200,387)
Natural Gas Costless Collars [Member] | Minimum [Member]
 
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]  
Range 0.00%
Natural Gas Costless Collars [Member] | Maximum [Member]
 
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]  
Range 24.20%