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v2.4.1.9

Shareholders' Deficit Equity Warrant Information (Details) (USD $) In Millions, except Share data, unless otherwise specified | 12 Months Ended
--- | ---
Oct. 31, 2014 | Oct. 31, 2013 | Oct. 31, 2012
Warrants vested during period | 0 fcel_Warrantsvested | 0 fcel_Warrantsvested | 0 fcel_Warrantsvested
Warrant expense | $ 0 us-gaap_FairValueAdjustmentOfWarrants | $ 0 us-gaap_FairValueAdjustmentOfWarrants | $ 0 us-gaap_FairValueAdjustmentOfWarrants

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Period Type: | duration

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- Definition Amount of expense (income) related to adjustment to fair value of warrant liability. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 480 -SubTopic 10 -Section 25 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=6939902&loc=d3e20148-110875 + Details
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Namespace Prefix: | us-gaap_
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Period Type: | duration