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Property, Plant and Equipment (Tables) | 12 Months Ended
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Oct. 31, 2012
Property, Plant and Equipment [Line Items] |
Property, Plant and Equipment [Table Text Block] | Property, plant and equipment at October 31, 2012 and 2011 consisted of the following:
| 2012 |  | 2011 |  | Estimated Useful Life
Land |  | $ | 524 |  |  | $ | 524 |  |  | —
Building and improvements |  | 7,587 |  |  | 7,579 |  |  | 10-26 years
Machinery, equipment and software |  | 68,265 |  |  | 66,552 |  |  | 3-8 years
Furniture and fixtures |  | 2,786 |  |  | 2,755 |  |  | 10 years
Power plants for use under PPAs |  | 10,866 |  |  | 13,538 |  |  | 3-10 years
Construction in progress |  | 7,970 |  |  | 5,762 |  |  |
|  | 97,998 |  |  | 96,710 |  |  |
Less: Accumulated depreciation |  | (74,740 | ) |  | (72,785 | ) |  |
Property, plant and equipment, net |  | $ | 23,258 |  |  | $ | 23,925 |  |  |

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- Definition Tabular disclosure of the useful life and salvage value of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 13 -Subparagraph b -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 12 -Paragraph 5 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.13) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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