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Inventories (Details) (USD $)

Apr. 30, 2014

Oct. 31, 2013

Inventory Disclosure [Abstract]

Raw materials

$ 21,046,000

$ 20,599,000

Work in process

34,667,000

^[1]

35,586,000

^[1]

Inventory, Net

55,713,000

56,185,000

Completed Standard Component

$ 9,000,000

$ 5,800,000

[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 or to service SA's. Included in work-in-process as of April 30, 2014 and October 31, 2013 is $9.0 million and $5.8 million, respectively, of completed standard components.

- Definition

Carrying amount, net of reserves and adjustments, as of the balance sheet date of merchandise or goods which are partially completed. This inventory is generally comprised of raw materials, labor and factory overhead costs, which require further materials, labor and overhead to be converted into finished goods, and which generally require the use of estimates to determine percentage complete and pricing.

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