Quarterly report pursuant to Section 13 or 15(d)

Subsequent Events (Details)

v2.4.0.8
Subsequent Events (Details) (Subsequent Event [Member], Swap [Member])
Jul. 31, 2013
Natural Gas Fixed Price Swap, October through December 2013 [Member] | Natural Gas [Member]
 
Derivative [Line Items]  
Notional quantity 10,000
Average fixed price 4.00
Oil Fixed Price Swap, January through December 2014 [Member] | Oil [Member]
 
Derivative [Line Items]  
Notional quantity 2,000
Average fixed price 101.65
Natual Gas Fixed Price Swap, January through December 2014 [Member] | Natural Gas [Member]
 
Derivative [Line Items]  
Notional quantity 15,000
Average fixed price 4.01
Natural Gas Fixed Price Swap, January 2015 through March 2016 [Member] | Natural Gas [Member]
 
Derivative [Line Items]  
Notional quantity 10,000
Average fixed price 4.00