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Accrued Liabilities (Tables) | 12 Months Ended
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Dec. 31, 2016
Payables And Accruals [Abstract] |
Accrued Liabilities | Accrued liabilities at December 31, 2016 and 2015, consisted of the following (in thousands):
|  | December 31, |
|  | 2016 |  |  | 2015 |
Accrued compensation and related costs |  | $ | 7,098 |  |  | $ | 5,198 |
Accrued professional services |  |  | 2,511 |  |  |  | 2,337 |
Accrued customer costs |  |  | 534 |  |  |  | 987 |
Accrued insurance premiums |  |  | 476 |  |  |  | 438 |
Other accrued expenses |  |  | 599 |  |  |  | 893 |
Total accrued liabilities |  | $ | 11,218 |  |  | $ | 9,853 |

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