Quarterly report pursuant to Section 13 or 15(d)

Commitments And Contingencies (Details)

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Commitments And Contingencies (Details) (USD $)
 0 Months Ended 36 Months Ended
Feb. 15, 2011
Apr. 20, 2009
Mar. 11, 1997
Y
Dec. 31, 2007
Mar. 31, 2012
Dec. 31, 2011
Dec. 07, 2010
Commitments [Line Items]              
Percentage of interest in WCBB     50.00%        
Contribution to plugging and abandonment trust per month     $ 18,000        
Annual minimum wells to be plugged     20        
Number of wells plugged         334    
Plugging and abandonment escrow account on the WCBB properties (Note 10)         3,121,000 3,121,000  
Tenure of minimum wells to be plugged, years     20        
Alleged severance tax underpayment       1,800,000      
Lawsuits filed value 26,500,000 2,275,729          
Original number of acreage in litigation             240
Amended number of acreage in litigation             1,700
WCBB [Member]
              
Commitments [Line Items]              
Plugging and abandonment escrow account on the WCBB properties (Note 10)         3,121,000    
Disgorgement [Member]
              
Commitments [Line Items]              
Lawsuits filed value $ 6,000,000