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Long-Term Debt (Details) (USD $)
3 Months Ended 3 Months Ended 0 Months Ended 3 Months Ended
Mar. 31, 2014
Dec. 31, 2013
Mar. 31, 2014
Senior Secured Credit facility [Member]
Dec. 31, 2013
Senior Secured Credit facility [Member]
Mar. 31, 2014
Senior Secured Credit facility [Member]
Minimum [Member]
Mar. 31, 2014
Senior Secured Credit facility [Member]
Maximum [Member]
Mar. 31, 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]
Apr. 04, 2013
Real estate lien note [Member]
Mar. 31, 2014
Real estate lien note [Member]
Dec. 31, 2013
Real estate lien note [Member]
May 09, 2008
Real estate lien note [Member]
Long-term debt [Abstract]                              
Long-term debt $ 70,562,000 $ 43,932,000 $ 60,000,000 $ 33,000,000     $ 6,063,000 $ 6,378,000         $ 4,499,000 $ 4,554,000  
Less current maturities (2,158,000) (2,142,000)                          
Long-term debt, excluding current maturities 68,404,000 41,790,000                          
Line of Credit Facility, Remaining Borrowing Capacity     70,000,000                        
Credit Facility [Abstract]                              
Maximum borrowing capacity     300,000,000                        
Current borrowing base     130,000,000                        
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 variable rate of interest (in hundredths)     0.50%   2.25% 3.25%                  
Description of variable rate basis     LIBOR                        
Percentage added to reference rate (in hundredths)         1.25% 2.25%                  
Interest rate on credit facility (in hundredths)     2.65%                        
Financial covenants, minimum current ratio     1.00                        
Financial covenants, interest coverage ratio     2.50                        
Financial covenants, total debt To EBITDAX ratio     4.00                        
Interest coverage ratio     14.58                        
Total debt to EBITDAX ratio     1.23                        
Current ratio     1.64                        
Rig Loan Agreement [Abstract]                              
Power of diesel electric drilling rig (in horsepower)                   2,000          
Maximum amount that can be borrowed under rig loan agreement             6,100,000   7,000,000           5,400,000
Interest rate on debt (in hundredths)                 4.26%            
Real Estate Lien Note [Abstract]                              
Fixed interest rate on note (in hundredths)                       4.00%      
Monthly installments of principal and interest                     $ 34,354        
Debt Instrument, Basis Spread on Variable Rate, Expected Rate                         1.00%    
Maturity date of note                     Jul. 20, 2023        
Maximum rate on variable rate note                         7.25%    
Long Term Debt, Amortization Term                       20 years