Note 5 - Inventories (Tables)

6 Months Ended

Jun. 30, 2020

Notes Tables

Schedule of Inventory, Current [Table Text Block]

	June 30,		December 31,
	2020		2019
Raw materials
Corn	$	13	$	267
Enzymes and other inputs		136		184
Finished goods
Jet Fuels, Isooctane and Isooctene		635		571
Isobutanol		44		135
Ethanol		—		93
Distiller's grains		—		54
Work in process
Agri-Energy		—		254
Gevo		134		122
Spare parts		1,518		1,521
Total inventories	$	2,480	$	3,201