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Nature of Business and Basis of Presentation (Tables) | 9 Months Ended
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Jul. 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 is presented below.
| Three Months Ended July 31, | Nine Months Ended July 31,
| 2012 |  | 2011 | 2012 |  | 2011
POSCO Energy | 72 | % |  | 34 | % | 72 | % |  | 49 | %
BioFuels Fuel Cells, LLC | 1 | % |  | 19 | % | — | % |  | 16 | %
UTS BioEnergy, LLC | — | % |  | 15 | % | 2 | % |  | 6 | %
U.S. Government | 9 | % |  | 6 | % | 7 | % |  | 7 | %
Combined | 82 | % |  | 74 | % | 81 | % |  | 78 | %
Schedule of Comprehensive Income (Loss) [Table Text Block] | Comprehensive loss for the periods presented was as follows:
| Three Months Ended July 31, |  | Nine Months Ended July 31,
| 2012 |  | 2011 |  | 2012 |  | 2011
Net loss | $ | (10,010 | ) |  | $ | (7,830 | ) |  | $ | (24,387 | ) |  | $ | (38,845 | )
Foreign currency translation adjustments | (78 | ) |  | — |  |  | (80 | ) |  | 4 |
Comprehensive loss | $ | (10,088 | ) |  | $ | (7,830 | ) |  | $ | (24,467 | ) |  | $ | (38,841 | )

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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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- Definition Tabular disclosure of components of comprehensive income (loss) including, but not limited to: (a) foreign currency translation adjustments; (b) gains (losses) on foreign currency transactions that are designated as, and are effective as, economic hedges of a net investment in a foreign entity; (c) gains (losses) on intercompany foreign currency transactions that are of a long-term-investment nature, when the entities to the transaction are consolidated, combined, or accounted for by the equity method in the reporting enterprise's financial statements; (d) change in the market value of a futures contract that qualifies as a hedge of an asset reported at fair value; (e) unrealized holding gains (losses) on available-for-sale securities and that resulting from transfers of debt securities from the held-to-maturity category to the available-for-sale category; (f) a net loss recognized as an additional pension liability not yet recognized as net periodic pension cost; and (g) the net gain (loss) and net prior service cost or credit for pension plans and other postretirement benefit plans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=20435746&loc=d3e526-108580 + Details
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