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Inventories (Tables) | 6 Months Ended
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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.

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- Definition Tabular disclosure of the carrying amount as of the balance sheet date of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 2 -Paragraph 6 -Subparagraph a,b,c -Article 5 + Details
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