Quarterly report pursuant to sections 13 or 15(d)

FAIR VALUE MEASUREMENTS (Details)

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FAIR VALUE MEASUREMENTS (Details) (USD $)
Jun. 30, 2012
Dec. 31, 2011
Assets [Abstract]    
Term loan secured by plant, pipeline and equipment $ 10,000,000  
Recurring [Member]
   
Liabilities [Abstract]    
Financial swaps on feedstock 1,890,000  
Interest rate swap 1,021,000 1,134,000
Assets [Abstract]    
Financial swaps on feedstock   393,000
Recurring [Member] | Level 1 [Member]
   
Liabilities [Abstract]    
Financial swaps on feedstock 1,890,000  
Interest rate swap 0 0
Assets [Abstract]    
Financial swaps on feedstock   393,000
Recurring [Member] | Level 2 [Member]
   
Liabilities [Abstract]    
Financial swaps on feedstock 0  
Interest rate swap 1,021,000 1,134,000
Assets [Abstract]    
Financial swaps on feedstock   0
Recurring [Member] | Level 3 [Member]
   
Liabilities [Abstract]    
Financial swaps on feedstock 0  
Interest rate swap 0 0
Assets [Abstract]    
Financial swaps on feedstock   $ 0