XML 36 R76.htm IDEA: XBRL DOCUMENT v2.4.1.9
Summary of Long-Lived Assets by Geographical Areas (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Segment Reporting Information [Line Items]    
Long lived assets $ 35,590us-gaap_NoncurrentAssets $ 41,818us-gaap_NoncurrentAssets
PRC (excluding Hong Kong)    
Segment Reporting Information [Line Items]    
Long lived assets 31,897us-gaap_NoncurrentAssets
/ us-gaap_StatementGeographicalAxis
= country_CN		 37,851us-gaap_NoncurrentAssets
/ us-gaap_StatementGeographicalAxis
= country_CN
Hong Kong    
Segment Reporting Information [Line Items]    
Long lived assets $ 3,693us-gaap_NoncurrentAssets
/ us-gaap_StatementGeographicalAxis
= country_HK		 $ 3,967us-gaap_NoncurrentAssets
/ us-gaap_StatementGeographicalAxis
= country_HK