|3 Months Ended|
Mar. 31, 2018
|Inventory Disclosure [Abstract]|
Inventories consisted primarily of bulk ethanol, specialty alcohols, corn, co-products, low-carbon and Renewable Identification Number (“RIN”) credits and unleaded fuel, and are valued at the lower-of-cost-or-net realizable value, with cost determined on a first-in, first-out basis. Inventory is net of a $2.7 million valuation adjustment as of December 31, 2017. Inventory balances consisted of the following (in thousands):
The entire disclosure for inventory. Includes, but is not limited to, the basis of stating inventory, the method of determining inventory cost, the classes of inventory, and the nature of the cost elements included in inventory.
Reference 1: http://www.xbrl.org/2003/role/presentationRef