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ACCRUED LIABILITIES (Tables) | 9 Months Ended
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Sep. 30, 2016
ACCRUED LIABILITIES |
Schedule of accrued liabilities | Accrued liabilities consist of the following (in thousands):
|  | September 30, 2016 |  | December 31, 2015 |
Compensation and fringe benefits |  | $ | 6,827 |  | $ | 7,791 |
Warranty reserve |  | 1,042 |  | 780 |
Other accrued expenses |  | 4,584 |  | 2,550 |
|  | $ | 12,453 |  | $ | 11,121 |

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