| 
                 
                    Closing price on 3/20/2013
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    6.70 | 
                 
                
                    | High | 
                    6.70 | 
                 
                
                    | Low | 
                    6.60 | 
                     
                
                    | Volume | 
                    84,040 | 
                                 
                
                    | Split-adjusted Price | 
                    1.92 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
IDI Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                3/20/2013
             | 
            
                0.00 / 0.00%
             |             
            
                6.70
             |           
            
                6.70
             |               
            
                6.60
             |                           
            
                6.60
             | 
            
                6.60
             |                     
            
                1.92
             |                                 
            
                84,040
             |            
            
                 
             |                                       
         
    
        
            | 
                3/19/2013
             | 
            
                0.00 / 0.00%
             |             
            
                6.60
             |           
            
                6.70
             |               
            
                6.50
             |                           
            
                6.60
             | 
            
                6.60
             |                     
            
                1.92
             |                                 
            
                46,290
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/18/2013
             | 
            
                -0.10 / -1.49%
             |             
            
                6.70
             |           
            
                6.80
             |               
            
                6.60
             |                           
            
                6.60
             | 
            
                6.60
             |                     
            
                1.92
             |                                 
            
                104,860
             |            
            
                 
             |                                       
         
    
        
            | 
                3/15/2013
             | 
            
                0.00 / 0.00%
             |             
            
                6.70
             |           
            
                6.80
             |               
            
                6.70
             |                           
            
                6.70
             | 
            
                6.70
             |                     
            
                1.95
             |                                 
            
                112,180
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/14/2013
             | 
            
                0.00 / 0.00%
             |             
            
                6.60
             |           
            
                6.70
             |               
            
                6.60
             |                           
            
                6.70
             | 
            
                6.70
             |                     
            
                1.95
             |                                 
            
                46,810
             |            
            
                 
             |                                       
         
    
        
            | 
                3/13/2013
             | 
            
                0.00 / 0.00%
             |             
            
                6.80
             |           
            
                6.80
             |               
            
                6.60
             |                           
            
                6.70
             | 
            
                6.70
             |                     
            
                1.95
             |                                 
            
                71,670
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/12/2013
             | 
            
                0.00 / 0.00%
             |             
            
                6.70
             |           
            
                6.80
             |               
            
                6.60
             |                           
            
                6.70
             | 
            
                6.70
             |                     
            
                1.95
             |                                 
            
                120,100
             |            
            
                 
             |                                       
         
    
        
            | 
                3/11/2013
             | 
            
                0.00 / 0.00%
             |             
            
                6.80
             |           
            
                6.80
             |               
            
                6.60
             |                           
            
                6.70
             | 
            
                6.70
             |                     
            
                1.95
             |                                 
            
                77,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/8/2013
             | 
            
                +0.20 / +3.08%
             |             
            
                6.70
             |           
            
                6.80
             |               
            
                6.70
             |                           
            
                6.70
             | 
            
                6.70
             |                     
            
                1.95
             |                                 
            
                134,250
             |            
            
                 
             |                                       
         
    
        
            | 
                3/7/2013
             | 
            
                -0.20 / -2.99%
             |             
            
                6.70
             |           
            
                6.70
             |               
            
                6.50
             |                           
            
                6.50
             | 
            
                6.50
             |                     
            
                1.89
             |                                 
            
                337,640
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/6/2013
             | 
            
                +0.10 / +1.52%
             |             
            
                6.70
             |           
            
                6.80
             |               
            
                6.70
             |                           
            
                6.70
             | 
            
                6.70
             |                     
            
                1.95
             |                                 
            
                64,510
             |            
            
                 
             |                                       
         
    
        
            | 
                3/5/2013
             | 
            
                -0.30 / -4.35%
             |             
            
                6.80
             |           
            
                6.90
             |               
            
                6.60
             |                           
            
                6.60
             | 
            
                6.60
             |                     
            
                1.92
             |                                 
            
                211,320
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/4/2013
             | 
            
                -0.20 / -2.82%
             |             
            
                7.00
             |           
            
                7.10
             |               
            
                6.80
             |                           
            
                6.90
             | 
            
                6.90
             |                     
            
                2.01
             |                                 
            
                313,520
             |            
            
                 
             |                                       
         
    
        
            | 
                3/1/2013
             | 
            
                0.00 / 0.00%
             |             
            
                7.10
             |           
            
                7.10
             |               
            
                7.00
             |                           
            
                7.10
             | 
            
                7.10
             |                     
            
                2.07
             |                                 
            
                120,540
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/28/2013
             | 
            
                +0.10 / +1.43%
             |             
            
                7.10
             |           
            
                7.30
             |               
            
                7.10
             |                           
            
                7.10
             | 
            
                7.10
             |                     
            
                2.07
             |                                 
            
                364,020
             |            
            
                 
             |                                       
         
    
        
            | 
                2/27/2013
             | 
            
                0.00 / 0.00%
             |             
            
                7.10
             |           
            
                7.20
             |               
            
                6.80
             |                           
            
                7.00
             | 
            
                7.00
             |                     
            
                2.04
             |                                 
            
                268,590
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/26/2013
             | 
            
                -0.40 / -5.41%
             |             
            
                7.30
             |           
            
                7.30
             |               
            
                6.90
             |                           
            
                7.00
             | 
            
                7.00
             |                     
            
                2.04
             |                                 
            
                549,350
             |            
            
                 
             |                                       
         
    
        
            | 
                2/25/2013
             | 
            
                +0.10 / +1.37%
             |             
            
                7.40
             |           
            
                7.40
             |               
            
                7.30
             |                           
            
                7.40
             | 
            
                7.40
             |                     
            
                2.15
             |                                 
            
                289,010
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/22/2013
             | 
            
                +0.10 / +1.39%
             |             
            
                7.50
             |           
            
                7.50
             |               
            
                7.10
             |                           
            
                7.30
             | 
            
                7.30
             |                     
            
                2.12
             |                                 
            
                363,550
             |            
            
                 
             |                                       
         
    
        
            | 
                2/21/2013
             | 
            
                -0.10 / -1.37%
             |             
            
                7.30
             |           
            
                7.80
             |               
            
                7.20
             |                           
            
                7.20
             | 
            
                7.20
             |                     
            
                2.10
             |                                 
            
                1,057,950
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/20/2013
             | 
            
                -0.10 / -1.35%
             |             
            
                7.40
             |           
            
                7.40
             |               
            
                7.30
             |                           
            
                7.30
             | 
            
                7.30
             |                     
            
                2.12
             |                                 
            
                145,020
             |            
            
                 
             |                                       
         
    
        
            | 
                2/19/2013
             | 
            
                0.00 / 0.00%
             |             
            
                7.40
             |           
            
                7.50
             |               
            
                7.20
             |                           
            
                7.40
             | 
            
                7.40
             |                     
            
                2.15
             |                                 
            
                292,230
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/18/2013
             | 
            
                +0.20 / +2.78%
             |             
            
                7.30
             |           
            
                7.60
             |               
            
                7.20
             |                           
            
                7.40
             | 
            
                7.40
             |                     
            
                2.15
             |                                 
            
                206,550
             |            
            
                 
             |                                       
         
    
        
            | 
                2/8/2013
             | 
            
                0.00 / 0.00%
             |             
            
                7.20
             |           
            
                7.30
             |               
            
                7.20
             |                           
            
                7.20
             | 
            
                7.20
             |                     
            
                2.10
             |                                 
            
                96,790
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/7/2013
             | 
            
                +0.30 / +4.35%
             |             
            
                7.00
             |           
            
                7.30
             |               
            
                7.00
             |                           
            
                7.20
             | 
            
                7.20
             |                     
            
                2.10
             |                                 
            
                357,620
             |            
            
                 
             |                                       
         
    
        
            | 
                2/6/2013
             | 
            
                -0.10 / -1.43%
             |             
            
                7.10
             |           
            
                7.10
             |               
            
                6.90
             |                           
            
                6.90
             | 
            
                6.90
             |                     
            
                2.01
             |                                 
            
                183,330
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/5/2013
             | 
            
                +0.10 / +1.45%
             |             
            
                6.90
             |           
            
                7.00
             |               
            
                6.90
             |                           
            
                7.00
             | 
            
                7.00
             |                     
            
                2.04
             |                                 
            
                61,860
             |            
            
                 
             |                                       
         
    
        
            | 
                2/4/2013
             | 
            
                -0.10 / -1.43%
             |             
            
                7.10
             |           
            
                7.10
             |               
            
                6.90
             |                           
            
                6.90
             | 
            
                6.90
             |                     
            
                2.01
             |                                 
            
                169,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/1/2013
             | 
            
                -0.20 / -2.78%
             |             
            
                7.00
             |           
            
                7.10
             |               
            
                7.00
             |                           
            
                7.00
             | 
            
                7.00
             |                     
            
                2.04
             |                                 
            
                157,030
             |            
            
                 
             |                                       
         
    
        
            | 
                1/31/2013
             | 
            
                +0.10 / +1.41%
             |             
            
                7.10
             |           
            
                7.20
             |               
            
                7.00
             |                           
            
                7.20
             | 
            
                7.20
             |                     
            
                2.10
             |                                 
            
                115,820
             |  
            
                 
             |                                                              
             
    
         
    
    
 |