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Organization and Summary of Significant Accounting Policies - Fair Value (Details) - USD ($)
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Proved oil and gas properties, subject to write down   $ 1,640,147
Fair value of proved oil and gas properties $ 621,343 759,091
Impairment losses $ 0 867,048
Eagleford Properties    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Impairment losses   303,312
Adams Baggett Properties    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Impairment losses   297,212
Permian Basin Fairway Operations    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Impairment losses   99,682
Undeveloped Properties    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Impairment losses   $ 166,842