XML 66 R52.htm IDEA: XBRL DOCUMENT v2.4.0.8
Summary of Significant Accounting Policies - Schedule of Estimated Useful Life of Assets (Detail)
12 Months Ended
Dec. 31, 2013
Leasehold Improvements [Member]
 
Property, Plant and Equipment [Line Items]  
Property and equipment, Estimated useful life Shorter of lease term or the estimated useful lives of the assets
Minimum [Member] | Electric Equipment [Member]
 
Property, Plant and Equipment [Line Items]  
Property and equipment, Estimated useful life 3 years
Minimum [Member] | Office Equipment [Member]
 
Property, Plant and Equipment [Line Items]  
Property and equipment, Estimated useful life 3 years
Minimum [Member] | Motor Vehicles [Member]
 
Property, Plant and Equipment [Line Items]  
Property and equipment, Estimated useful life 4 years
Minimum [Member] | Purchased Software [Member]
 
Property, Plant and Equipment [Line Items]  
Property and equipment, Estimated useful life 3 years
Maximum [Member] | Electric Equipment [Member]
 
Property, Plant and Equipment [Line Items]  
Property and equipment, Estimated useful life 5 years
Maximum [Member] | Office Equipment [Member]
 
Property, Plant and Equipment [Line Items]  
Property and equipment, Estimated useful life 5 years
Maximum [Member] | Motor Vehicles [Member]
 
Property, Plant and Equipment [Line Items]  
Property and equipment, Estimated useful life 5 years
Maximum [Member] | Purchased Software [Member]
 
Property, Plant and Equipment [Line Items]  
Property and equipment, Estimated useful life 5 years