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Accrued Liabilities (Tables) | 9 Months Ended
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Sep. 30, 2015
Accrued Liabilities | Accrued liabilities at September 30, 2015 and December 31, 2014, consisted of the following (in thousands):
|  | September 30, |  |  | December 31, |
|  | 2015 |  |  | 2014 |
Accrued compensation and related costs |  | $ | 4,046 |  |  | $ | 3,951 |
Accrued professional services |  |  | 2,277 |  |  |  | 2,123 |
Accrued inventory costs |  |  | 92 |  |  |  | 870 |
Accrued customer costs and deposits |  |  | 413 |  |  |  | 385 |
Accrued insurance premiums |  |  | 583 |  |  |  | 264 |
Other accrued expenses |  |  | 697 |  |  |  | 851 |
Total accrued liabilities |  | $ | 8,108 |  |  | $ | 8,444 |

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- Definition Tabular disclosure of the components of accrued liabilities. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration