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Other Current Assets (Tables) | 6 Months Ended
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Apr. 30, 2017
Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Abstract] |
Other Current Assets | Other current assets as of April 30, 2017 and October 31, 2016 consisted of the following:
|  | April 30, 2017 |  |  | October 31, 2016 |
Advance payments to vendors (1) |  | $ | 639 |  |  | $ | 1,247 |
Deferred finance costs (2) |  |  | 129 |  |  |  | 152 |
Notes receivable (3) |  |  | — |  |  |  | 1,007 |
Prepaid expenses and other (4) |  |  | 5,820 |  |  |  | 7,775 |
Other current assets |  | $ | 6,588 |  |  | $ | 10,181 |
(1) | Advance payments to vendors relate to payments for inventory purchases ahead of receipt.
(2) | Represents the current portion of direct deferred finance costs relate primarily to securing a $40.0 million loan facility with NRG which is being amortized over the five-year life of the facility.
(3) | Note receivable was included in the consideration paid for the acquired fuel cell power plant discussed in Note 6.
(4) | Primarily relates to other prepaid vendor expenses including insurance, rent and lease payments.

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