Equity Method Investment	6 Months Ended
Equity Method Investment	Jun. 30, 2012
Equity Method Investment
Equity Method Investment	Note 6 — Equity Method Investment The Company has a 50% interest in Crawford County Gas Gathering Company, LLC (“CCGGC”) which owns and operates pipelines and related gathering and treating facilities. The Company’s gas production located in Illinois is gathered and transported on CCGGC’s gathering facilities. The Company’s investment in CCGGC is accounted for under the equity method of accounting, and its share of the income or loss is recognized. During the six month period ended June 30, 2012 and 2011, the Company recorded equity method income of approximately $27,000 and $41,000, respectively, related to this investment. In the fourth quarter of 2010, the Company acquired a 17.5% ownership in Sullivan Energy Ventures LLC (“Sullivan”). At that time, the Company determined that it had the ability to significantly influence the operating decisions of Sullivan and accounted for its ownership in Sullivan by recording the Company’s pro-rata share of Sullivan’s financial results. During the second quarter of 2011, it became evident that the Company did not have the ability to significantly influence the decisions of Sullivan. As a result, the Company reclassified its investment in Sullivan to Investments in Affiliates in the accompanying consolidated balance sheets at the net investment value of approximately $463,000 and began to account for this investment using the cost method of accounting. The Company’s standardized reserve disclosures at December 31, 2010 included approximately $796,000 and 663,000 Mcf of reserves related to Sullivan. For the three months ended March 31, 2011, the Company would have recorded an additional oil and gas asset impairment expense of approximately $280,000 if the Sullivan reserves and related property balance had not been included in the ceiling test calculation. Because this was a new entity, revenues and expenses recorded related to Sullivan were deminimus during 2010 and the first quarter of 2011.

The entire disclosure for equity method investments and joint ventures. Equity method investments are investments that give the investor the ability to exercise significant influence over the operating and financial policies of an investee. Joint ventures are entities owned and operated by a small group of businesses as a separate and specific business or project for the mutual benefit of the members of the group.

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