PREPAYMENTS AND OTHER CURRENT ASSETS (Tables)
 12 Months Ended
Dec. 31, 2014
PREPAYMENTS AND OTHER CURRENT ASSETS [Abstract]  
Schedule of prepayments and other current assets
As of December 31  
2013     2014  
Amounts due from employees 270       224  
Prepayments to suppliers and other third parties 4,274       4,731  
Prepaid expenses     927       298  
Other receivables     2,046       2,156  
      7,517       7,409