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Related Party Transactions (Details) (USD $) | 0 Months Ended | 1 Months Ended | 2 Months Ended | 12 Months Ended |  | 0 Months Ended | 1 Months Ended | 12 Months Ended | 0 Months Ended |
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Dec. 18, 2007 | Mar. 31, 2008 | Feb. 28, 2013 | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010 | Oct. 12, 2012 | Sep. 17, 2007 At Or Above Revenue Threshold [Member] | Sep. 17, 2007 Up To Revenue Threshold [Member] | Sep. 17, 2007 Ten Well Program [Member] item | Mar. 31, 2008 Ten Well Program [Member] item | Dec. 31, 2012 Ten Well Program [Member] | Sep. 17, 2007 Ten Well Program [Member] Producing Well [Member] | Sep. 17, 2007 Ten Well Program [Member] Non-Productive Well [Member] | Sep. 17, 2007 Ten Well Program [Member] At Or Above Revenue Threshold [Member] | Sep. 17, 2007 Ten Well Program [Member] Up To Revenue Threshold [Member] | Sep. 17, 2007 Methane Project [Member] | Mar. 31, 2008 Drilling Costs [Member] Ten Well Program [Member] | Mar. 31, 2008 Gross Profit [Member] Ten Well Program [Member]
Productive Wells [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Wells in process of drilling |  |  |  |  |  |  |  |  |  | 10 |  |  |  |  |  |  |  |  |
Number of wildcat wells |  |  |  |  |  |  |  |  |  | 3 |  |  |  |  |  |  |  |  |
Number of developmental wells |  |  |  |  |  |  |  |  |  | 7 |  |  |  |  |  |  |  |  |
Cost incurred, development costs |  |  |  | $ 2,649,000 | $ 8,278,000 | $ 3,453,000 |  |  |  |  |  |  | $ 400,000 | $ 250,000 |  |  |  |  |
Percent of working interest revenue, as a fee |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 85.00% | 25.00% |  |  |
Payout point multiplier |  |  |  |  |  |  |  |  |  | 1.35 |  |  |  |  |  |  |  |  |
Oil producing wells |  |  |  |  |  |  |  |  |  |  | 9 |  |  |  |  |  |  |  |
Producing levels (in barrels per day) |  | 36 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payout point value |  |  |  |  |  |  |  |  |  |  | 5,200,000 |  |  |  |  |  |  |  |
Related party transaction |  |  |  |  |  |  |  |  |  |  | 3,850,000 |  |  |  |  |  |  | 2,800,000 | 1,000,000
Percent of net profits, interest |  |  |  |  |  |  |  | 7.50% | 75.00% |  |  |  |  |  |  |  | 75.00% |  |
Percent of executive salary | 50.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Working interest percent | 15.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Bond, face value | 10,700,000 |  |  | 9,600,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Decrease in bond |  |  |  |  |  |  | 1,100,000 |  |  |  |  |  |  |  |  |  |  |  |
Management agreement term |  |  |  | 5 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash collateral | 6,600,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related parties accounts payable |  |  |  | 325,000 | 265,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related party allowance for doubtful accounts receivable |  |  |  | 257,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from related party |  |  | $ 68,000 |  |  |  |  |  |  |  |  | $ 4,600,000 |  |  |  |  |  |  |

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- Definition This element represents the number of barrel of oil equivalents (BOE) which is a measurement used by oil and gas companies as a way of combining oil and natural gas reserves and production into a single measurement. Natural gas volumes are converted to BOE based on the energy content of 6,000 cubic feet of gas to one barrel of oil. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Industry Guide -Number 2 -Paragraph 3 -Subparagraph A + Details
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