| 
                 
                    Closing price on 11/28/2019
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    5.60 | 
                 
                
                    | High | 
                    5.60 | 
                 
                
                    | Low | 
                    5.60 | 
                     
                
                    | Volume | 
                    0 | 
                                 
                
                    | Split-adjusted Price | 
                    3.16 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
DSC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                11/28/2019
             | 
            
                0.00 / 0.00%
             |             
            
                5.60
             |           
            
                5.60
             |               
            
                5.60
             |                           
            
                5.60
             | 
            
                5.60
             |                     
            
                3.16
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                11/27/2019
             | 
            
                0.00 / 0.00%
             |             
            
                5.60
             |           
            
                5.60
             |               
            
                5.60
             |                           
            
                5.60
             | 
            
                5.60
             |                     
            
                3.16
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/26/2019
             | 
            
                0.00 / 0.00%
             |             
            
                5.60
             |           
            
                5.60
             |               
            
                5.60
             |                           
            
                5.60
             | 
            
                5.60
             |                     
            
                3.16
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                11/25/2019
             | 
            
                0.00 / 0.00%
             |             
            
                5.60
             |           
            
                5.60
             |               
            
                5.60
             |                           
            
                5.60
             | 
            
                5.60
             |                     
            
                3.16
             |                                 
            
                700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/22/2019
             | 
            
                +0.10 / +1.82%
             |             
            
                5.60
             |           
            
                5.60
             |               
            
                5.60
             |                           
            
                5.60
             | 
            
                5.60
             |                     
            
                3.16
             |                                 
            
                2,500
             |            
            
                 
             |                                       
         
    
        
            | 
                11/21/2019
             | 
            
                0.00 / 0.00%
             |             
            
                5.50
             |           
            
                5.50
             |               
            
                5.50
             |                           
            
                5.50
             | 
            
                5.50
             |                     
            
                3.10
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/20/2019
             | 
            
                -0.10 / -1.79%
             |             
            
                5.40
             |           
            
                5.50
             |               
            
                5.40
             |                           
            
                5.50
             | 
            
                5.46
             |                     
            
                3.10
             |                                 
            
                800
             |            
            
                 
             |                                       
         
    
        
            | 
                11/19/2019
             | 
            
                +0.10 / +1.82%
             |             
            
                5.50
             |           
            
                5.60
             |               
            
                5.50
             |                           
            
                5.60
             | 
            
                5.52
             |                     
            
                3.16
             |                                 
            
                1,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/18/2019
             | 
            
                +0.20 / +3.77%
             |             
            
                5.50
             |           
            
                5.50
             |               
            
                5.50
             |                           
            
                5.50
             | 
            
                5.50
             |                     
            
                3.10
             |                                 
            
                900
             |            
            
                 
             |                                       
         
    
        
            | 
                11/15/2019
             | 
            
                +0.10 / +1.92%
             |             
            
                5.20
             |           
            
                5.30
             |               
            
                5.20
             |                           
            
                5.30
             | 
            
                5.29
             |                     
            
                2.99
             |                                 
            
                1,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/14/2019
             | 
            
                -0.70 / -11.86%
             |             
            
                5.50
             |           
            
                5.50
             |               
            
                5.20
             |                           
            
                5.20
             | 
            
                5.23
             |                     
            
                2.93
             |                                 
            
                2,600
             |            
            
                 
             |                                       
         
    
        
            | 
                11/13/2019
             | 
            
                -1.00 / -14.49%
             |             
            
                5.90
             |           
            
                6.20
             |               
            
                5.90
             |                           
            
                5.90
             | 
            
                5.95
             |                     
            
                3.33
             |                                 
            
                5,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/12/2019
             | 
            
                +0.40 / +6.15%
             |             
            
                6.90
             |           
            
                6.90
             |               
            
                6.90
             |                           
            
                6.90
             | 
            
                6.90
             |                     
            
                3.89
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                11/11/2019
             | 
            
                +0.40 / +6.56%
             |             
            
                5.40
             |           
            
                6.50
             |               
            
                5.40
             |                           
            
                6.50
             | 
            
                5.95
             |                     
            
                3.66
             |                                 
            
                200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/8/2019
             | 
            
                +0.70 / +12.07%
             |             
            
                5.10
             |           
            
                6.60
             |               
            
                5.10
             |                           
            
                6.50
             | 
            
                6.09
             |                     
            
                3.66
             |                                 
            
                1,300
             |            
            
                 
             |                                       
         
    
        
            | 
                11/7/2019
             | 
            
                0.00 / 0.00%
             |             
            
                5.80
             |           
            
                5.80
             |               
            
                5.10
             |                           
            
                5.80
             | 
            
                5.76
             |                     
            
                3.27
             |                                 
            
                1,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/6/2019
             | 
            
                -0.30 / -4.92%
             |             
            
                5.80
             |           
            
                5.80
             |               
            
                5.80
             |                           
            
                5.80
             | 
            
                5.80
             |                     
            
                3.27
             |                                 
            
                600
             |            
            
                 
             |                                       
         
    
        
            | 
                11/5/2019
             | 
            
                +0.10 / +1.67%
             |             
            
                5.90
             |           
            
                6.10
             |               
            
                5.10
             |                           
            
                6.10
             | 
            
                5.84
             |                     
            
                3.44
             |                                 
            
                4,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/4/2019
             | 
            
                -0.30 / -4.76%
             |             
            
                6.00
             |           
            
                6.00
             |               
            
                6.00
             |                           
            
                6.00
             | 
            
                6.00
             |                     
            
                3.38
             |                                 
            
                3,100
             |            
            
                 
             |                                       
         
    
        
            | 
                11/1/2019
             | 
            
                0.00 / 0.00%
             |             
            
                6.30
             |           
            
                6.30
             |               
            
                6.30
             |                           
            
                6.30
             | 
            
                6.30
             |                     
            
                3.55
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/31/2019
             | 
            
                +0.60 / +10.53%
             |             
            
                6.00
             |           
            
                6.50
             |               
            
                6.00
             |                           
            
                6.30
             | 
            
                6.28
             |                     
            
                3.55
             |                                 
            
                400
             |            
            
                 
             |                                       
         
    
        
            | 
                10/30/2019
             | 
            
                -0.30 / -5.00%
             |             
            
                6.00
             |           
            
                6.00
             |               
            
                5.70
             |                           
            
                5.70
             | 
            
                5.85
             |                     
            
                3.21
             |                                 
            
                200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/29/2019
             | 
            
                0.00 / 0.00%
             |             
            
                6.00
             |           
            
                6.00
             |               
            
                6.00
             |                           
            
                6.00
             | 
            
                6.00
             |                     
            
                3.38
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                10/28/2019
             | 
            
                0.00 / 0.00%
             |             
            
                6.00
             |           
            
                6.00
             |               
            
                6.00
             |                           
            
                6.00
             | 
            
                6.00
             |                     
            
                3.38
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/25/2019
             | 
            
                0.00 / 0.00%
             |             
            
                6.00
             |           
            
                6.00
             |               
            
                6.00
             |                           
            
                6.00
             | 
            
                6.00
             |                     
            
                3.38
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                10/24/2019
             | 
            
                +0.40 / +7.14%
             |             
            
                6.00
             |           
            
                6.00
             |               
            
                6.00
             |                           
            
                6.00
             | 
            
                6.00
             |                     
            
                3.38
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/23/2019
             | 
            
                0.00 / 0.00%
             |             
            
                5.60
             |           
            
                5.60
             |               
            
                5.60
             |                           
            
                5.60
             | 
            
                5.60
             |                     
            
                3.16
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                10/22/2019
             | 
            
                -0.60 / -9.68%
             |             
            
                6.20
             |           
            
                6.20
             |               
            
                5.60
             |                           
            
                5.60
             | 
            
                5.64
             |                     
            
                3.16
             |                                 
            
                10,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/21/2019
             | 
            
                -1.00 / -13.89%
             |             
            
                6.20
             |           
            
                6.20
             |               
            
                6.20
             |                           
            
                6.20
             | 
            
                6.20
             |                     
            
                3.50
             |                                 
            
                9,300
             |            
            
                 
             |                                       
         
    
        
            | 
                10/18/2019
             | 
            
                0.00 / 0.00%
             |             
            
                7.20
             |           
            
                7.20
             |               
            
                7.20
             |                           
            
                7.20
             | 
            
                7.20
             |                     
            
                4.06
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
         
    
    
 |