RESTRICTED CASH (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
RESTRICTED CASH    
Balance of restricted cash $ 1,067 $ 6,112
Deposit of forward foreign currency exchange transactions
   
RESTRICTED CASH    
Balance of restricted cash 94 808
Deposit of Letter of Guarantee for a project
   
RESTRICTED CASH    
Balance of restricted cash 657 648
Bank letter of guarantee for facility rentals in Singapore and Spain
   
RESTRICTED CASH    
Balance of restricted cash 203 210
Deposits of bank bills
   
RESTRICTED CASH    
Balance of restricted cash 83 2,812
Pledged deposit for short-term bank loan
   
RESTRICTED CASH    
Balance of restricted cash 0 1,605
Deposits to secure commercial card issued by bank
   
RESTRICTED CASH    
Balance of restricted cash $ 30 $ 29