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Property and Equipment (Details Textual) (USD $)
3 Months Ended 9 Months Ended
Sep. 30, 2014
Per_Mcfe
Sep. 30, 2013
Per_Mcfe
Sep. 30, 2014
Per_Mcfe
Sep. 30, 2013
Per_Mcfe
Sep. 30, 2014
Unproved properties not subject to depletion [Member]
Dec. 31, 2013
Unproved properties not subject to depletion [Member]
Property and Equipment (Textual)            
Period of amortization of capital costs     5 years      
Oil and gas properties, gross         $ 3,439,000 $ 2,235,000
Capitalized overhead applicable to acquisition, development and exploration activities 121,000 113,000 379,000 347,000    
Depletion expense related to oil and gas properties 779,000 732,000 2,200,000 2,000,000    
Depletion expense related to oil and gas properties (in dollars per Mcfe) 1.05 1.01 1.00 0.94    
Depreciation and amortization expense $ 36,000 $ 35,000 $ 114,000 $ 94,000