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Geographic Area Data (Tables)
12 Months Ended
Dec. 31, 2012
Segment Reporting [Abstract]  
Revenue geographic
       
   2012  2011
United States  $142,000   $4,474,000 
China   716,000    1,075,000 
United Kingdom   243,000    1,070,000 
Japan   2,000    3,000 
           
Total  $1,103,000   $6,622,000