XML 39 R28.htm IDEA: XBRL DOCUMENT
v2.4.0.6

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 | %

X
- Details
Name: | fcel_NatureOfBusinessAndBasisOfPresentationAbstract
Namespace Prefix: | fcel_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percent of customer consolidated revenues for the sale of products and for research and development contracts. + References No definition available. + Details
Name: | fcel_PercentOfCustomerConsolidatedRevenuesTableTextBlock
Namespace Prefix: | fcel_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration