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Long-Term Debt (Details) (USD $)
9 Months Ended 9 Months Ended 12 Months Ended 0 Months Ended
Sep. 30, 2014
Dec. 31, 2013
Sep. 30, 2014
Minimum [Member]
Sep. 30, 2014
Maximum [Member]
Sep. 30, 2014
Senior Secured Credit facility [Member]
report
redetermination
Dec. 31, 2013
Senior Secured Credit facility [Member]
Dec. 31, 2012
Rig loan agreement [Member]
Sep. 30, 2014
Rig loan agreement [Member]
Dec. 31, 2013
Rig loan agreement [Member]
Feb. 14, 2012
Rig loan agreement [Member]
Sep. 19, 2011
Rig loan agreement [Member]
hp
Jul. 20, 2013
Real estate lien note [Member]
Sep. 30, 2014
Real estate lien note [Member]
Dec. 31, 2013
Real estate lien note [Member]
Apr. 04, 2013
Real estate lien note [Member]
May 09, 2008
Real estate lien note [Member]
Long-term debt [Abstract]                                
Long-term debt $ 61,495,000 $ 43,932,000     $ 52,000,000 $ 33,000,000   $ 5,105,000 $ 6,378,000       $ 4,390,000 $ 4,554,000    
Less current maturities (2,205,000) (2,142,000)                            
Long-term debt, excluding current maturities 59,290,000 41,790,000                            
Credit Facility [Abstract]                                
Maximum borrowing capacity         300,000,000                      
Current borrowing base         165,000,000                      
Reserve report prepared by independent petroleum engineers         1                      
Reserve report prepared internally         1                      
Number of borrowing base redeterminations         1                      
Term of borrowing base redetermination         6 months                      
Market value of property (in hundredths)         5.00%                      
Reduced collateral value (in hundredths)         5.00%                      
Percentage added to reference rate (in hundredths) 0.50%   0.75% 1.75%                        
Description of variable rate basis         LIBOR                      
Percentage added to variable rate of interest (in hundredths)     1.75% 2.75%                        
Interest rate on credit facility (in hundredths)         2.15%                      
Financial covenants, minimum current ratio         1.00                      
Financial covenants, interest coverage ratio         2.50                      
Financial covenants, total debt To EBITDAX ratio         4.00                      
Extraordinary expenses included in EBITDAX         1,000,000                      
Period of EBITDAX calculation         12 months                      
Interest coverage ratio         31.22                      
Total debt to EBITDAX ratio         0.71                      
Current ratio         2.15                      
Rig Loan Agreement [Abstract]                                
Power of diesel electric drilling rig (in horsepower)                     2,000          
Maximum amount that can be borrowed under rig loan agreement               5,100,000   7,000,000           5,400,000
Interest rate on debt (in hundredths)                   4.26%            
Interest free period             18 months                  
Real Estate Lien Note [Abstract]                                
Fixed interest rate on note (in hundredths)                             4.25%  
Maturity date of note                       Jul. 20, 2023        
Monthly installments of principal and interest                       34,354        
Long Term Debt, Amortization Term                       20 years        
Debt Instrument, Basis Spread on Variable Rate, Expected Rate                         1.00%      
Maximum rate on variable rate note                       7.25%        
Line of Credit Facility, Amount Outstanding                         $ 4,400,000