Note 4 - Inventories

12 Months Ended

Dec. 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).

	December 31,
	201 8		201 7
Raw materials
Corn	$	29	$	189
Enzymes and other inputs		204		202
Nutrients		-		5
Finished goods
Ethanol		182		222
Isobutanol		549		1,122
Jet Fuels, Isooctane and Isooctene		394		524
Distiller's grains		54		59
Work in process - Agri Energy		214		197
Work in process - Gevo		89		437
Spare parts		1,451		1,405
Total inventories	$	3,166	$	4,362

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