Nature of Business and Basis of Presentation (Tables)

12 Months Ended

Oct. 31, 2012

Nature of Business and Basis of Presentation [Abstract]

Percent of customer consolidated revenues [Table Text Block]

The percent of consolidated revenues from each customer for the years ended October 31, 2012, 2011 and 2010, respectively are presented below.

	2012		2011		2010
POSCO	76	%	44	%	58	%
Department of Energy	7	%	—	%	—	%
BioFuels Fuel Cells, LLC	—	%	12	%	—	%
UTS BioEnergy, LLC	2	%	10	%	—	%
Pacific Gas and Electric Company	1	%	5	%	10	%
Total	86	%	71	%	68	%