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ACCRUED LIABILITIES (Tables) | 3 Months Ended
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Mar. 31, 2015
ACCRUED LIABILITIES |
Schedule of accrued liabilities | Accrued liabilities consist of the following (in thousands):
|  | March 31, 2015 |  | December 31, 2014 |
Compensation and fringe benefits |  | $ | 5,780 |  | $ | 9,696 |
Warranty reserve |  | 758 |  | 786 |
Other accrued expenses |  | 2,547 |  | 1,848 |
|  | $ | 9,085 |  | $ | 12,330 |

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