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Debt (Tables)
6 Months Ended
Apr. 30, 2015
Debt Instrument [Line Items]  
Schedule of Debt [Table Text Block]
Debt as of April 30, 2015 and October 31, 2014, consisted of the following:
 
 
April 30, 2015
 
October 31, 2014
Revolving credit facility
 
$
3,945

 
945

Connecticut Development Authority Note
 
2,927

 
3,033

Connecticut Clean Energy and Finance Investment Authority Note
 
6,052

 
6,052

Capitalized lease obligations
 
687

 
721

Total debt
 
$
13,611

 
$
10,751

Less: Current portion of long-term debt
 
(4,497
)
 
(1,439
)
Long-term debt
 
$
9,114

 
$
9,312