| 
    
        
            | 
                    Closing price on 1/30/2012
                 |  |  
    
        |           
                
                    | Open | 3.10 |  
                    | High | 3.20 |  
                    | Low | 3.10 |  
                    | Volume | 22,000 |  
                    | Split-adjusted Price | 3.20 |  
                
             | 
 |  V15 Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 1/30/2012 | +0.30 / +10.34% | 3.10 | 3.20 | 3.10 | 3.20 | 3.20 | 3.20 | 22,000 |   |  
            | 1/20/2012 | -0.10 / -3.33% | 3.30 | 3.30 | 2.90 | 2.90 | 3.00 | 2.90 | 15,100 |   |  			
            | 1/19/2012 | +0.10 / +3.45% | 3.10 | 3.10 | 3.00 | 3.00 | 3.00 | 3.00 | 27,700 |   |  
            | 1/18/2012 | 0.00 / 0.00% | 2.80 | 2.90 | 2.80 | 2.90 | 2.90 | 2.90 | 11,800 |   |  			
            | 1/17/2012 | -0.10 / -3.33% | 3.10 | 3.10 | 2.80 | 2.90 | 2.90 | 2.90 | 11,000 |   |  
            | 1/16/2012 | 0.00 / 0.00% | 3.10 | 3.10 | 3.00 | 3.00 | 3.00 | 3.00 | 9,700 |   |  			
            | 1/13/2012 | +0.20 / +7.14% | 2.80 | 3.10 | 2.80 | 3.00 | 2.80 | 3.00 | 23,400 |   |  
            | 1/12/2012 | -0.10 / -3.45% | 2.90 | 2.90 | 2.80 | 2.80 | 2.80 | 2.80 | 6,500 |   |  			
            | 1/11/2012 | -0.10 / -3.33% | 3.00 | 3.10 | 2.90 | 2.90 | 2.90 | 2.90 | 28,100 |   |  
            | 1/10/2012 | +0.10 / +3.45% | 3.00 | 3.10 | 2.90 | 3.00 | 3.00 | 3.00 | 22,700 |   |  			
            | 1/9/2012 | -0.10 / -3.33% | 2.90 | 3.00 | 2.90 | 2.90 | 2.90 | 2.90 | 3,500 |   |  
            | 1/6/2012 | 0.00 / 0.00% | 3.10 | 3.10 | 3.00 | 3.00 | 3.00 | 3.00 | 1,100 |   |  			
            | 1/5/2012 | -0.10 / -3.23% | 3.20 | 3.20 | 3.00 | 3.00 | 3.00 | 3.00 | 2,200 |   |  
            | 1/4/2012 | -0.20 / -6.06% | 3.30 | 3.30 | 3.10 | 3.10 | 3.10 | 3.10 | 1,700 |   |  			
            | 1/3/2012 | +0.10 / +3.13% | 3.30 | 3.30 | 3.30 | 3.30 | 3.30 | 3.30 | 22,300 |   |  
            | 12/30/2011 | +0.10 / +3.23% | 3.10 | 3.30 | 3.10 | 3.20 | 3.10 | 3.20 | 22,900 |   |  			
            | 12/29/2011 | -0.20 / -6.06% | 3.30 | 3.30 | 3.10 | 3.10 | 3.10 | 3.10 | 17,700 |   |  
            | 12/28/2011 | 0.00 / 0.00% | 3.10 | 3.40 | 3.10 | 3.30 | 3.30 | 3.30 | 7,900 |   |  			
            | 12/27/2011 | -0.10 / -2.94% | 3.40 | 3.40 | 3.30 | 3.30 | 3.30 | 3.30 | 9,100 |   |  
            | 12/26/2011 | -0.10 / -2.86% | 3.50 | 3.50 | 3.40 | 3.40 | 3.40 | 3.40 | 2,900 |   |  			
            | 12/23/2011 | +0.20 / +6.06% | 3.40 | 3.60 | 3.40 | 3.50 | 3.48 | 3.50 | 10,200 |   |  
            | 12/22/2011 | -0.10 / -2.94% | 3.40 | 3.40 | 3.20 | 3.30 | 3.30 | 3.30 | 7,600 |   |  			
            | 12/21/2011 | 0.00 / 0.00% | 3.40 | 3.40 | 3.40 | 3.40 | 3.40 | 3.40 | 9,600 |   |  
            | 12/20/2011 | -0.10 / -2.86% | 3.60 | 3.60 | 3.40 | 3.40 | 3.40 | 3.40 | 7,000 |   |  			
            | 12/19/2011 | -0.20 / -5.41% | 3.90 | 3.90 | 3.50 | 3.50 | 3.50 | 3.50 | 12,400 |   |  
            | 12/16/2011 | +0.20 / +5.71% | 3.30 | 3.70 | 3.30 | 3.70 | 3.50 | 3.70 | 22,900 |   |  			
            | 12/15/2011 | -0.20 / -5.41% | 3.80 | 3.80 | 3.50 | 3.50 | 3.50 | 3.50 | 41,300 |   |  
            | 12/14/2011 | -0.10 / -2.63% | 4.00 | 4.00 | 3.60 | 3.70 | 3.70 | 3.70 | 30,500 |   |  			
            | 12/13/2011 | -0.20 / -5.00% | 3.90 | 4.00 | 3.80 | 3.80 | 3.80 | 3.80 | 15,200 |   |  
            | 12/12/2011 | -0.10 / -2.44% | 4.10 | 4.10 | 3.90 | 4.00 | 4.00 | 4.00 | 34,000 |   |  |