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Accrued Liabilities | 6 Months Ended
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Apr. 30, 2015
Accrued Liabilities, Current [Abstract] |
Accrued Liabilities | Accrued Liabilities Accrued liabilities as of April 30, 2015 and October 31, 2014 consisted of the following:
| April 30, 2015 |  | October 31, 2014
Accrued payroll and employee benefits | $ | 3,059 |  |  | $ | 4,432 |
Accrued contract and operating costs | 34 |  |  | 34 |
Accrued product warranty cost (1) | 794 |  |  | 1,156 |
Accrued service agreement costs | 4,754 |  |  | 3,882 |
Accrued taxes, legal, professional and other | 3,120 |  |  | 2,562 |
Accrued Liabilities | $ | 11,761 |  |  | $ | 12,066 |
(1) | Activity in the accrued product warranty costs for the six months ended April 30, 2015 included additions for estimates of potential future warranty obligations of $0.3 million on contracts in the warranty period and reductions related to actual warranty spend of $0.7 million as contracts progress through the warranty period or are beyond the warranty period.

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- Definition The entire disclosure for accounts payable and accrued liabilities at the end of the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(a),20,24) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19 -Subparagraph a -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 20, 24 -Article 5 + Details
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