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Fair Value Measurements (Details) (USD $)
Sep. 30, 2014
Dec. 31, 2013
Fair Value Measurements [Abstract]    
Fair value and carrying value of debt $ 8,000,000  
Fair Value Measurements [Abstract]    
Commodity risk management assets 118,000 14,000
Available for sale securities 35,000 69,000
Total assets 153,000 83,000
Commodity risk management liability 14,000 280,000
Executive retirement program liability 1,345,000 865,000
Total liabilities 1,359,000 1,145,000
(Level 1) [Member]
   
Fair Value Measurements [Abstract]    
Commodity risk management assets 0 0
Available for sale securities 35,000 69,000
Total assets 35,000 69,000
Commodity risk management liability 0 0
Executive retirement program liability 0 0
Total liabilities 0 0
(Level 2) [Member]
   
Fair Value Measurements [Abstract]    
Commodity risk management assets 118,000 14,000
Available for sale securities 0 0
Total assets 118,000 14,000
Commodity risk management liability 14,000 280,000
Executive retirement program liability 0 0
Total liabilities 14,000 280,000
(Level 3) [Member]
   
Fair Value Measurements [Abstract]    
Commodity risk management assets 0 0
Available for sale securities 0 0
Total assets 0 0
Commodity risk management liability 0 0
Executive retirement program liability 1,345,000 865,000
Total liabilities $ 1,345,000 $ 865,000