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3. INVENTORIES
6 Months Ended
Jun. 30, 2013
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, 2013   December 31, 2012 
Finished goods  $12,869   $10,230 
Work in progress   4,270    3,846 
Raw materials   1,152    1,363 
Other   857    805 
Total  $19,148   $16,244