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Accrued Liabilities (Tables) | 6 Months Ended
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Apr. 30, 2015
Accrued Liabilities, Current [Abstract] |
Schedule of Accrued Liabilities [Table Text Block] | 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 Tabular disclosure of the components of accrued liabilities. + References No definition available. + Details
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