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Segment Reporting and Concentrations (Details 2) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2013
Dec. 31, 2012
Long - lived assets $ 12,744 $ 11,331
United States [Member]
   
Long - lived assets 4,729 3,978
Philippines [Member]
   
Long - lived assets 1,995 1,424
India [Member]
   
Long - lived assets 4,953 4,926
Sri Lanka [Member]
   
Long - lived assets 1,022 931
Israel [Member]
   
Long - lived assets 45 72
Foreign Countries [Member]
   
Long - lived assets $ 8,015 $ 7,353