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Supplementary Information On Oil and Gas Producing Activities (Unaudited) (Details 4) (USD $)
Dec. 31, 2012
Dec. 31, 2011
Summary of standardized measure of discounted future net cash flows    
Future Cash Inflows $ 212,933,565 $ 124,209,995
Future Production Costs (a) (80,504,937) (35,128,834)
Future Development Costs (18,845,514)   
Future Income Tax Expense (22,716,623) (17,816,232)
Future Net Cash Flows 90,866,491 71,264,959
Discounted for Estimated Timing of Cash Flows 56,571,491 38,262,929
Standardized Measure of Discounted Future Net Cash Flows $ 34,295,000 $ 33,002,000