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Nature of Business and Basis of Presentation (Tables) | 12 Months Ended
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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 | %

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- Definition Percent of customer consolidated revenues for the sale of products and for research and development contracts. + References No definition available. + Details
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