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Consolidated Statements of Operations (Partenthetical) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Consolidated Statements Of Operations [Abstract]      
Sales to related parties $ 851 $ 558 $ 350
Services from related parties $ 133 $ 42 $ 50