|  
                Year  
            |  
         
             Beginning Price  
            |  
         
             Ending Price  
            |  
         
             Gain or Loss 
            |  
         
             Percent Gain or Loss  
            |  
      
|  
           2002 
            |  
         
           16.51 
            |  
         
           3.20 
            |  
         
           -13.31 
            |  
         
           -80.62% 
            |  
      
|  
           2003 
            |  
         
           3.20 
            |  
         
           7.36 
            |  
         
           4.16 
            |  
         
           130.00% 
            |  
      
|  
           2004 
            |  
         
           7.36 
            |  
         
           13.65 
            |  
         
           6.29 
            |  
         
           85.46% 
            |  
      
|  
           2005 
            |  
         
           13.65 
            |  
         
           10.32 
            |  
         
           -3.33 
            |  
         
           -24.40% 
            |  
      
|  
           2006 
            |  
         
           10.32 
            |  
         
           14.21 
              
           |  
         
           3.89 
            |  
         
           37.69% 
            |  
      
|  
           2007 
            |  
         
           14.21 
            |  
         
           26.24 
            |  
         
           12.03 
            |  
         
           84.66% 
            |  
      
|  
           2008 
            |  
         
           26.24 
            |  
         
           5.78 
            |  
         
           -20.46 
            |  
         
           -77.97% 
            |  
      
|  
           2009 
            |  
         
           5.78 
            |  
         
           5.72 
            |  
         
           -0.06 
            |  
         
           -1.04% 
            |  
      
|  
           2010 
            |  
         
           5.72 
            |  
         
           3.81 
            |  
         
           -1.91 
            |  
         
           -33.39% 
            |  
      
|  
           2011 
            |  
         
           3.81 
            |  
         
           2.61 
            |  
         
           -1.20 
            |  
         
           -31.50% 
            |  
      
|  
           2012 
            |  
         
           2.61 
            |  
         
           2.7956* 
            |  
         
           0.1856 
            |  
         
           7.11% 
            |