Supplemental Cash Flow Information (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Oct. 31, 2014	Oct. 31, 2013	Oct. 31, 2012
Debt Conversion [Line Items]
Interest Paid	$ 1,892us-gaap_InterestPaid	$ 280us-gaap_InterestPaid	$ 302us-gaap_InterestPaid
Income Taxes Paid	35us-gaap_IncomeTaxesPaid	17us-gaap_IncomeTaxesPaid	0us-gaap_IncomeTaxesPaid
Common Stock Issued in Settlement of Prior Year Bonus Obligation	0	0	550
Common Stock Issued for Employee Stock Purchase Plan in Settlement of Prior Year Accrued Employee Contributions	106	85	84
Common stock issued for acquisition	0	3,563	0
Accrued Sale of Common Stock	633fcel_AccruedSaleofCommonStock	509fcel_AccruedSaleofCommonStock	0fcel_AccruedSaleofCommonStock
Debt Conversion and Make Whole Obligation [Member]
Debt Conversion [Line Items]
Stock Issued During Period, Value, Conversion of Convertible Securities	$ 46,186	$ 0	$ 0

Accrued Sale of Common Stock

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- Definition

Common stock issued for Employee Stock Purchase Plan in settlement of prior year accrued employee contributions

+ References

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Common stock issued in settlement of prior year bonus obligation

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No definition available.

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- Definition

The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

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The amount of cash paid for interest during the period.

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Value of stock issued pursuant to acquisitions during the period.

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-Publisher SEC

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-Number 210

-Section 04

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- Definition

The gross value of stock issued during the period upon the conversion of convertible securities.

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