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Equity Method Investments (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Schedule of Equity Method Investments [Line Items]    
Amount $ 190 $ 283
Create Electronic Optical Co., Ltd. [Member]
   
Schedule of Equity Method Investments [Line Items]    
Amount 172 283
Holding % 21.11% 21.11%
Iris [Member]
   
Schedule of Equity Method Investments [Line Items]    
Amount $ 18 $ 0
Holding % 6.41% 0.00%