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Inventories (Tables)
6 Months Ended
Apr. 30, 2013
Inventories [Abstract]  
Schedule of Inventory, Current [Table Text Block]
The components of inventory at April 30, 2013 and October 31, 2012 consisted of the following:
 
 
April 30,
2013
 
October 31,
2012
Raw materials
$
20,385

 
$
17,683

Work-in-process (1)
29,486

 
30,018

Net Inventory
$
49,871

 
$
47,701


(1)
Work-in-process includes the standard components of inventory used to build the typical modules or stack components that are intended to be used in future power plant orders. Included in Work-in-process as of April 30, 2013 and October 31, 2012 is $2.9 million and $11.3 million, respectively, of completed standard components ready to be incorporated into power plants and deployed upon receipt of customer orders.