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16. Segment Information (Tables)
 12 Months Ended
Dec. 31, 2012
Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area [Table Text Block]
    Year Ended
December 31, 		 
    2012     2011  
      Product Sales       Percent       Product Sales       Percent  
      (in millions)               (in millions)          
North America   $ 0.5       23 %   $ 0.6       16 %
Europe     1.0       39 %     1.3       41 %
Asia     0.6       25 %     1.0       32 %
Latin America     0.2       8 %     0.2       7 %
Australia     0.1       5 %     0.1       4 %
Total   $ 2.4       100 %   $ 3.2       100 %