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3. INVENTORIES
6 Months Ended
Jun. 30, 2014
Inventory Disclosure [Abstract]  
3. INVENTORIES

Inventories consisted primarily of bulk ethanol and unleaded fuel, and are valued at the lower-of-cost-or-market, with cost determined on a first-in, first-out basis. Inventory balances consisted of the following (in thousands):

 

   June 30, 2014   December 31, 2013 
Finished goods  $17,616   $10,287 
Raw materials   5,313    9,418 
Work in progress   3,721    2,766 
Other   930    915 
Total  $27,580   $23,386