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Other Current Assets (Tables)
 3 Months Ended
Jan. 31, 2017
Prepaid Expense and Other Assets, Current [Abstract]  
Schedule of Other Current Assets [Table Text Block]
Other current assets as of January 31, 2017 and October 31, 2016 consisted of the following:
 
 
January 31, 2017
 
October 31, 2016
Advance payments to vendors (1)
 
$
719

 
$
1,247

Deferred finance costs (2)
 
129

 
152

Notes receivable (3)
 
—

 
1,007

Prepaid expenses and other (4)
 
4,661

 
7,775

     Other current assets
 
$
5,509

 
$
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.