Nature of Business and Basis of Presentation (Tables)

12 Months Ended

Oct. 31, 2013

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, 2013, 2012 and 2011, respectively are presented below.

	2013		2012		2011
POSCO Energy	54	%	76	%	44	%
Bridgeport Dominion Fuel Cell, LLC	29	%	—	%	—	%
Department of Energy	5	%	7	%	—	%
BioFuels Fuel Cells, LLC	—	%	—	%	12	%
UTS BioEnergy, LLC	—	%	2	%	10	%
Total	88	%	85	%	66	%