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SEGMENT AND GEOGRAPHICAL INFORMATION (Property and Equipment by Country) (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2012
Dec. 31, 2011
Segment Reporting Information [Line Items]    
Property and equipment, net $ 1,579 $ 1,689
United States [Member]
   
Segment Reporting Information [Line Items]    
Property and equipment, net 521 550
Netherlands [Member]
   
Segment Reporting Information [Line Items]    
Property and equipment, net 762 829
Other [Member]
   
Segment Reporting Information [Line Items]    
Property and equipment, net $ 296 $ 310