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Geographic Area Data (Details) (USD $)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Revenue $ 426,000 $ 1,103,000
United States [Member]
   
Revenue 87,000 142,000
China [Member]
   
Revenue 324,000 716,000
United Kingdom [Member]
   
Revenue 8,000 243,000
Korea [Member]
   
Revenue 7,000   
Japan [Member]
   
Revenue    $ 2,000