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Debt and Finance Obligation (Tables) | 9 Months Ended
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Jul. 31, 2016
Debt [Abstract] |
Schedule of Debt [Table Text Block] | Debt as of July 31, 2016 and October 31, 2015, consisted of the following:
|  | July 31, 2016 |  | October 31, 2015
Revolving credit facility |  | $ | — |  |  | $ | 2,945 |
Connecticut Development Authority Note |  | 2,647 |  |  | 2,817 |
Connecticut Clean Energy and Finance Investment Authority Note |  | 6,052 |  |  | 6,052 |
NRG Energy, Inc. Loan Agreement |  | 10,963 |  |  | 3,763 |
PNC Energy Capital, LLC Finance Obligation |  | 6,770 |  |  | — |
State of Connecticut Loan |  | 10,000 |  |  | — |
Hercules Loan and Security Agreement |  | 15,283 |  |  | — |
Capitalized lease obligations |  | 808 |  |  | 726 |
Total debt |  | $ | 52,523 |  |  | $ | 16,303 |
Current portion of long-term debt and finance obligation |  | (13,995 | ) |  | (7,358 | )
Long-term debt |  | $ | 38,528 |  |  | $ | 8,945 |

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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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