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ACCRUED EXPENSES (Details) (USD $) In Thousands, unless otherwise specified | Mar. 31, 2013 | Dec. 31, 2012 | Mar. 31, 2012
--- | --- | --- | ---
Accrued expenses [Abstract] |  |  |
Sales commissions | $ 1,224 | $ 1,295 |
Subcontracting labor | 1,960 | 2,408 |
Salaries, bonuses and related benefits | 8,163 | 6,023 |
Litigation reserve | 11,549 | 11,549 |
Consideration payable on acquisitions | 7,199 | 0 | 47
Other | 4,342 | 4,085 |
Accrued expenses | $ 34,437 | $ 25,360 |

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