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v2.4.1.9

Segment Information (Details) (USD $) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Oct. 31, 2014 | Jul. 31, 2014 | Apr. 30, 2014 | Jan. 31, 2014 | Oct. 31, 2013 | Jul. 31, 2013 | Apr. 30, 2013 | Jan. 31, 2013 | Oct. 31, 2014 | Oct. 31, 2013 | Oct. 31, 2012
schedule of revenues by geographic area [Line Items] |  |  |  |  |  |  |  |  |  |  |
Service agreement revenue |  |  |  |  |  |  |  |  | $ 21,700,000 us-gaap_RevenueOtherFinancialServices | $ 24,000,000 us-gaap_RevenueOtherFinancialServices | $ 18,200,000 us-gaap_RevenueOtherFinancialServices
Revenues | 54,409,000 us-gaap_Revenues | 43,176,000 us-gaap_Revenues | 38,274,000 us-gaap_Revenues | 44,434,000 us-gaap_Revenues | 55,157,000 us-gaap_Revenues | 53,707,000 us-gaap_Revenues | 42,436,000 us-gaap_Revenues | 36,358,000 us-gaap_Revenues | 180,293,000 us-gaap_Revenues | 187,658,000 us-gaap_Revenues | 120,603,000 us-gaap_Revenues
UNITED STATES |  |  |  |  |  |  |  |  |  |  |
schedule of revenues by geographic area [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 52,765,000 us-gaap_Revenues / us-gaap_StatementGeographicalAxis = country_US | 80,199,000 us-gaap_Revenues / us-gaap_StatementGeographicalAxis = country_US | 26,929,000 us-gaap_Revenues / us-gaap_StatementGeographicalAxis = country_US
south korea [Domain] |  |  |  |  |  |  |  |  |  |  |
schedule of revenues by geographic area [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 124,669,000 us-gaap_Revenues / us-gaap_StatementGeographicalAxis = fcel_SouthKoreaDomain | 101,928,000 us-gaap_Revenues / us-gaap_StatementGeographicalAxis = fcel_SouthKoreaDomain | 92,163,000 us-gaap_Revenues / us-gaap_StatementGeographicalAxis = fcel_SouthKoreaDomain
UNITED KINGDOM |  |  |  |  |  |  |  |  |  |  |
schedule of revenues by geographic area [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 119,000 us-gaap_Revenues / us-gaap_StatementGeographicalAxis = country_GB | 2,036,000 us-gaap_Revenues / us-gaap_StatementGeographicalAxis = country_GB | 1,061,000 us-gaap_Revenues / us-gaap_StatementGeographicalAxis = country_GB
INDONESIA |  |  |  |  |  |  |  |  |  |  |
schedule of revenues by geographic area [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 0 us-gaap_Revenues / us-gaap_StatementGeographicalAxis = country_ID | 0 us-gaap_Revenues / us-gaap_StatementGeographicalAxis = country_ID | 147,000 us-gaap_Revenues / us-gaap_StatementGeographicalAxis = country_ID
GERMANY |  |  |  |  |  |  |  |  |  |  |
schedule of revenues by geographic area [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 869,000 us-gaap_Revenues / us-gaap_StatementGeographicalAxis = country_DE | 1,503,000 us-gaap_Revenues / us-gaap_StatementGeographicalAxis = country_DE | 128,000 us-gaap_Revenues / us-gaap_StatementGeographicalAxis = country_DE
CANADA |  |  |  |  |  |  |  |  |  |  |
schedule of revenues by geographic area [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 820,000 us-gaap_Revenues / us-gaap_StatementGeographicalAxis = country_CA | 1,912,000 us-gaap_Revenues / us-gaap_StatementGeographicalAxis = country_CA | 175,000 us-gaap_Revenues / us-gaap_StatementGeographicalAxis = country_CA
SPAIN |  |  |  |  |  |  |  |  |  |  |
schedule of revenues by geographic area [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | $ 1,051,000 us-gaap_Revenues / us-gaap_StatementGeographicalAxis = country_ES | $ 80,000 us-gaap_Revenues / us-gaap_StatementGeographicalAxis = country_ES | $ 0 us-gaap_Revenues / us-gaap_StatementGeographicalAxis = country_ES

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