XML 59 R36.htm IDEA: XBRL DOCUMENT v3.7.0.1
Principal Accounting Policies (Tables)
12 Months Ended
Dec. 31, 2016
Principal Accounting Policies [Abstract]  
Estimated useful lives of property and equipment

 

 

Estimated Useful Lives

Computers

 

3 years

Equipment, furniture and motor vehicles

 

5 years

Leasehold improvements

 

Lesser of lease terms or the estimated useful lives of the assets