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Accrued Liabilities (Tables) | 12 Months Ended
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Dec. 31, 2012
Accrued Liabilities [Abstract] |
Schedule of accrued liabilities | Accrued liabilities consist of the following (in thousands):
|  | December 31, |
|  | 2012 |  |  | 2011 |
Salaries, wages, employment taxes and withholdings |  | $ | 3,385 |  |  | $ | 7,144 |
Employee benefit plans |  |  | 1,121 |  |  |  | 1,343 |
Income, property and other taxes |  |  | 472 |  |  |  | 1,013 |
Deferred revenue |  |  | 13,357 |  |  |  | 9,497 |
Restructuring accruals |  |  | 167 |  |  |  | 239 |
Other |  |  | 3,486 |  |  |  | 4,333 |
|  | $ | 21,988 |  |  | $ | 23,569 |

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- Definition Tabular disclosure of the components of accrued liabilities. + References No definition available. + Details
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