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Debt (Tables)
9 Months Ended
Jul. 31, 2015
Debt Instrument [Line Items]  
Schedule of Debt [Table Text Block]
Debt as of July 31, 2015 and October 31, 2014, consisted of the following:
 
 
July 31, 2015
 
October 31, 2014
Revolving credit facility
 
$
2,945

 
945

Connecticut Development Authority Note
 
2,873

 
3,033

Connecticut Clean Energy and Finance Investment Authority Note
 
6,052

 
6,052

NRG Energy, Inc. Loan Agreement
 
3,326

 

Capitalized lease obligations
 
825

 
721

Total debt
 
$
16,021

 
$
10,751

Current portion of long-term debt
 
(6,908
)
 
(1,439
)
Long-term debt
 
$
9,113

 
$
9,312