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Short-term investments (Tables)
12 Months Ended
Dec. 31, 2014
Text Block [Abstract]  
Schedule of Short-Term Investments

(In thousands)

   December 31,
2013
     December 31,
2014
 

Time deposits

     9,695         —     

Investments in financial instruments (note)

     31,298         29,427   
  

 

 

    

 

 

 

Total

  40,993      29,427   
  

 

 

    

 

 

 

 

Note: the investments were issued by commercial banks in China with a variable interest rate indexed to performance of underlying assets. Since these investments’ maturity dates are within one year, they are classified as short-term investments.