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Debt and Leases (Tables)
 12 Months Ended
Oct. 31, 2015
Debt Instrument [Line Items]  
Schedule of Debt [Table Text Block]
Debt at October 31, 2015 and 2014 consisted of the following (in thousands):
 
 
2015
 
2014
Revolving credit facility
 
$
2,945

 
$
945

Connecticut Development Authority Note
 
2,817

 
3,033

Connecticut Clean Energy and Finance Investment Authority Note
 
6,052

 
6,052

NRG loan agreement
 
3,763

 
—

Capitalized lease obligations
 
726

 
721

Total debt
 
$
16,303

 
$
10,751

Current portion of long-term debt
 
(7,358
)
 
(1,439
)
Long-term debt
 
$
8,945

 
$
9,312
schedule of future minimum debt and lease payments [Text Block]
Aggregate annual principal payments under our loan agreements (excluding payments relating to the revolving credit facility) and capital lease obligations for the years subsequent to October 31, 2015 are as follows (in thousands):
Year 1
$
4,412

Year 2
482

Year 3
2,411

Year 4
—

Year 5
—

Thereafter
6,053

 

$13,358