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ACCRUED EXPENSES
12 Months Ended
Dec. 31, 2014
ACCRUED EXPENSES [Abstract]  
ACCRUED EXPENSES
7.ACCRUED EXPENSES
 
Accrued expenses consist of the following:
 
  
At December 31,
 
  
2014
  
2013
 
Accrued compensation and benefits
 
$
5,787
  
$
5,128
 
Accrued rent and real estate taxes
 
$
3,251
  
$
2,245
 
Other accrued expenses
  
4,827
   
3,282
 
  
$
13,865
  
$
10,655