Quarterly report pursuant to sections 13 or 15(d)

8. FAIR VALUE MEASUREMENTS (Details-Fair value measurements)

v2.4.0.8
8. FAIR VALUE MEASUREMENTS (Details-Fair value measurements) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2014
Dec. 31, 2013
Assets:    
Assets $ 388 $ 961
Liabilities:    
Liabilities 32,980 9,074
Commodity contracts [Member]
   
Assets:    
Assets 388 961
Liabilities:    
Liabilities 301 859
Warrants [Member]
   
Liabilities:    
Liabilities 32,679 8,215
Level 1 [Member]
   
Assets:    
Assets 388 961
Liabilities:    
Liabilities 301 859
Level 1 [Member] | Commodity contracts [Member]
   
Assets:    
Assets 388 961
Liabilities:    
Liabilities 301 859
Level 1 [Member] | Warrants [Member]
   
Liabilities:    
Liabilities 0 0
Level 2 [Member]
   
Assets:    
Assets 0 0
Liabilities:    
Liabilities 0 0
Level 2 [Member] | Commodity contracts [Member]
   
Assets:    
Assets 0 0
Liabilities:    
Liabilities 0 0
Level 2 [Member] | Warrants [Member]
   
Liabilities:    
Liabilities 0 0
Level 3 [Member]
   
Assets:    
Assets 0 0
Liabilities:    
Liabilities 32,679 8,215
Level 3 [Member] | Commodity contracts [Member]
   
Assets:    
Assets 0 0
Liabilities:    
Liabilities 0 0
Level 3 [Member] | Warrants [Member]
   
Liabilities:    
Liabilities $ 32,679 $ 8,215