Inventories (Tables)

9 Months Ended

Sep. 30, 2014

Inventory Disclosure [Abstract]

Components of Inventory Balances

The following table sets forth the components of the Company’s inventory balances (in thousands).

	September 30,		December 31,
	2014		2013
Raw materials
Corn	$	1,376	$	1,456
Enzymes and other inputs		376		514
Finished goods		623		192
Work in process		228		224
Spare parts		1,424		1,195
Total inventories	$	4,027	$	3,581