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	0fcel_Warrantsvested	0fcel_Warrantsvested	0fcel_Warrantsvested
Warrant expense	$ 0us-gaap_FairValueAdjustmentOfWarrants	$ 0us-gaap_FairValueAdjustmentOfWarrants	$ 0us-gaap_FairValueAdjustmentOfWarrants

Amount of expense (income) related to adjustment to fair value of warrant liability.

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

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration