XML 31 R30.htm IDEA: XBRL DOCUMENT v2.4.0.8
Summary of Significant Accounting Policies (Details Textual) (USD $)
In Millions, except Share data, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Summary of Significant Accounting Policies (Textual)        
Gas to oil conversion ratio (thousand cubic feet of natural gas per barrel of oil)     6  
Percentage of discount factor applied to estimated future net revenues from proved oil and gas reserves     10.00%  
Cost method investments, additional information     The cost method of accounting is used for investments in affiliates in which the Company has less than 20% of the voting interests of a corporate affiliate or less than a 5% interest of a partnership or limited liability company and does not have significant influence.  
Equity method investment, additional information     If the Company holds between 20% and 50% of the voting interest in non-consolidated corporate affiliates or greater than a 5% interest of a partnership or limited liability company and exercises significant influence or control, the equity method of accounting is used to account for the investment.  
Anti-dilutive common stock equivalents which are excluded from the calculation of diluted loss per share 250,000 2,900,000 250,000 2,900,000
Carbon [Member]
       
Summary of Significant Accounting Policies (Textual)        
Percentage of ownership interest in the subsidiary     100.00%  
Common stock equivalent restricted to future contingencies $ 4.7 $ 3.1 $ 4.7 $ 3.1
Nytis LLC [Member]
       
Summary of Significant Accounting Policies (Textual)        
Number of consolidated partnerships     46  
Nytis Usa [Member]
       
Summary of Significant Accounting Policies (Textual)        
Percentage of ownership interest in the subsidiary     99.00%