Quarterly report pursuant to sections 13 or 15(d)

8. FAIR VALUE MEASUREMENTS (Details 2)

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8. FAIR VALUE MEASUREMENTS (Details 2) (USD $)
Sep. 30, 2012
Dec. 31, 2011
Liabilities:    
Liabilities $ 6,786,000 $ 2,421,000
Assets:    
Assets 514,000 244,000
Commodity Contracts [Member]
   
Liabilities:    
Liabilities 291,000 500,000
Assets:    
Assets 514,000 244,000
Warrants [Member]
   
Liabilities:    
Liabilities 6,495,000 1,921,000
Level 3 [Member]
   
Liabilities:    
Liabilities 6,495,000 1,921,000
Assets:    
Assets      
Level 3 [Member] | Commodity Contracts [Member]
   
Liabilities:    
Liabilities      
Assets:    
Assets      
Level 3 [Member] | Warrants [Member]
   
Liabilities:    
Liabilities 6,495,000 1,921,000
Level 1 [Member]
   
Liabilities:    
Liabilities 291,000 500,000
Assets:    
Assets 514,000 244,000
Level 1 [Member] | Commodity Contracts [Member]
   
Liabilities:    
Liabilities 291,000 500,000
Assets:    
Assets 514,000 244,000
Level 1 [Member] | Warrants [Member]
   
Liabilities:    
Liabilities      
Level 2 [Member]
   
Liabilities:    
Liabilities      
Assets:    
Assets      
Level 2 [Member] | Commodity Contracts [Member]
   
Liabilities:    
Liabilities      
Assets:    
Assets      
Level 2 [Member] | Warrants [Member]
   
Liabilities:    
Liabilities