Note 4 - Inventories

3 Months Ended

Mar. 31, 2018

Notes to Financial Statements

Inventory Disclosure [Text Block]

4.

Inventories

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

	March 31,		December 31,
	2018		2017
Raw materials
Corn	$	33	$	189
Enzymes and other inputs		172		202
Nutrients		5		5
Finished goods
Ethanol		385		222
Isobutanol		1,010		1,122
Jet Fuels, Isooctane and Isooctene		908		524
Distiller's grains		23		59
Work in process - Agri-Energy		226		197
Work in process - Gevo		145		437
Spare parts		1,449		1,405
Total inventories	$	4,356	$	4,362

Work in process inventory includes unfinished jet fuel, isooctane, and isooctene inventory.