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ACCRUED LIABILITIES (Tables) | 6 Months Ended
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Jun. 30, 2013
ACCRUED LIABILITIES |
Schedule of accrued liabilities |
|  | June 30, |  | December 31, |
|  | 2013 |  | 2012 |
Accrued payroll and benefits |  | $ | 3,861 |  | $ | 2,913 |
Accrued property taxes |  | 328 |  | 367 |
Income taxes payable |  | 465 |  | 443 |
Accrued professional fees |  | 160 |  | 526 |
Accrued warranty liability |  | 674 |  | 707 |
Accrued environmental reserve |  | 254 |  | 352 |
Accrued other |  | 551 |  | 704 |
Total accrued liabilities |  | $ | 6,293 |  | $ | 6,012 |

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