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Debt and Leases (Tables) | 6 Months Ended
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Apr. 30, 2014
Debt Instrument [Line Items] |
Schedule of Debt [Table Text Block] | At April 30, 2014 and October 31, 2013, debt consisted of the following:
|  | April 30, 2014 |  | October 31, 2013
Revolving credit facility |  | $ | 945 |  |  | $ | 6,500 |
Senior Unsecured Convertible Notes |  | 1,000 |  |  | 38,000 |
Connecticut Development Authority Note |  | 3,138 |  |  | 3,246 |
Connecticut Clean Energy and Finance Investment Authority Note |  | 6,051 |  |  | 5,744 |
Capitalized lease obligations |  | 596 |  |  | 497 |
Total debt |  | $ | 11,730 |  |  | $ | 53,987 |
Less: Unamortized debt discount |  | (73 | ) |  | (3,106 | )
|  | 11,657 |  |  | 50,881 |
Less: Current portion of long-term debt |  | (1,346 | ) |  | (6,931 | )
Long-term debt |  | $ | 10,311 |  |  | $ | 43,950 |
Schedule of future minimum debt and lease payments [Text Block] | Aggregate annual principal payments under our loan agreements and capital lease obligations, excluding payments relating to the revolving credit facility, for the years subsequent to April 30, 2014 are as follows:
Year 1 | $ | 401 |
Year 2 | 430 |
Year 3 | 397 |
Year 4 | 2,494 |
Year 5 | 1,012 |
Thereafter | 6,051 |
| $ | 10,785 |

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- Definition Tabular disclosure of information pertaining to short-term and long-debt instruments or arrangements, including but not limited to identification of terms, features, collateral requirements and other information necessary to a fair presentation. + References No definition available. + Details
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