Inventories (Tables)

12 Months Ended

Oct. 31, 2012

Inventories [Abstract]

Schedule of Inventory, Current [Table Text Block]

The components of inventory at October 31, 2012 and 2011 consisted of the following:

	2012		2011
Raw materials	$	17,683	$	18,303
Work-in-process (1)	30,018		21,798
Net inventory	$	47,701	$	40,101

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