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ACCRUED EXPENSES (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
ACCRUED EXPENSES [Abstract]    
Accrued compensation and benefits $ 5,128 $ 3,163
Other accrued expenses 5,527 6,583
Accrued expenses $ 10,655 $ 9,746