LAND USE RIGHTS, NET (Narrative) (Details) (Land use rights [Member], USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Land use rights [Member]
     
LAND USE RIGHTS, NET [Line Items]      
Carrying value of land use rights pledged to secure the long-term bank loan of Vimicro Tianjin $ 2,071 $ 2,125  
Amortization expenses $ 172 $ 224 $ 245