Annual report pursuant to Section 13 and 15(d)

Commitments (Details)

v2.4.0.8
Commitments (Details) (USD $)
0 Months Ended 12 Months Ended 12 Months Ended 0 Months Ended
Nov. 02, 2012
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2013
Expiration Year One [Member]
Dec. 31, 2013
Expiration Year Two [Member]
Dec. 31, 2013
Expiration Year Three [Member]
Dec. 31, 2013
Executive Officer [Member]
Dec. 31, 2013
Chairman [Member]
Dec. 31, 2013
Minimum [Member]
Mar. 11, 1997
WCBB [Member]
wells
Dec. 31, 2013
WCBB [Member]
wells
Commitments [Line Items]                        
Purchasing Remaining Percent Interest In Oil And Gas Property                     50.00%  
Payments Held For Restricted Cash                     $ 18,000  
Significant Plugging Commitment Minimum Number Of Wells To Be Plugged                     20  
Tenure Of Minimum Wells To Be Plugged                     20 years  
Plugging And Abandonment Escrow Account   3,105,000 3,113,000                  
Number Of Wells Plugged                       354
Maximum annual contributions per employee (401K Plan)   100.00%                    
Minimum matching employer contribution for 401K                   3.00%    
Cost recognized on defined contribution plan   600,000 400,000 300,000                
Employment Agreement, Term 3 years                      
Employment Agreement, Subsequent Extension 1 year                      
Employment Agreement, Notice Period Allowed For Termination 90 days                      
Other Commitment               $ 3,500,000 $ 1,100,000      
Sales Commitment, Volume   183,000     33,000 100,000 50,000