| 
    
        
            | 
                    Closing price on 12/26/2019
                 |  |  
    
        |           
                
                    | Open | 1.40 |  
                    | High | 1.60 |  
                    | Low | 1.40 |  
                    | Volume | 84,600 |  
                    | Split-adjusted Price | 1.50 |  
                
             | 
 |  SDP Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 12/26/2019 | +0.10 / +7.14% | 1.40 | 1.60 | 1.40 | 1.50 | 1.56 | 1.50 | 84,600 |   |  
            | 12/25/2019 | -0.20 / -12.50% | 1.50 | 1.50 | 1.40 | 1.40 | 1.40 | 1.40 | 12,700 |   |  			
            | 12/24/2019 | +0.10 / +6.67% | 1.40 | 1.60 | 1.40 | 1.60 | 1.41 | 1.60 | 40,200 |   |  
            | 12/23/2019 | 0.00 / 0.00% | 1.40 | 1.60 | 1.40 | 1.50 | 1.46 | 1.50 | 54,200 |   |  			
            | 12/20/2019 | -0.10 / -6.25% | 1.40 | 1.60 | 1.40 | 1.50 | 1.52 | 1.50 | 90,600 |   |  
            | 12/19/2019 | -0.30 / -15.79% | 1.70 | 1.70 | 1.60 | 1.60 | 1.60 | 1.60 | 145,500 |   |  			
            | 12/18/2019 | +0.10 / +5.56% | 2.00 | 2.00 | 1.60 | 1.90 | 1.84 | 1.90 | 231,300 |   |  
            | 12/17/2019 | +0.20 / +12.50% | 1.80 | 1.80 | 1.80 | 1.80 | 1.80 | 1.80 | 348,200 |   |  			
            | 12/16/2019 | +0.20 / +14.29% | 1.50 | 1.60 | 1.50 | 1.60 | 1.60 | 1.60 | 185,100 |   |  
            | 12/13/2019 | +0.10 / +7.69% | 1.30 | 1.40 | 1.30 | 1.40 | 1.38 | 1.40 | 166,500 |   |  			
            | 12/12/2019 | 0.00 / 0.00% | 1.30 | 1.30 | 1.30 | 1.30 | 1.30 | 1.30 | 27,300 |   |  
            | 12/11/2019 | -0.10 / -7.14% | 1.30 | 1.40 | 1.30 | 1.30 | 1.30 | 1.30 | 10,100 |   |  			
            | 12/10/2019 | 0.00 / 0.00% | 1.40 | 1.40 | 1.30 | 1.40 | 1.32 | 1.40 | 19,500 |   |  
            | 12/9/2019 | +0.10 / +7.69% | 1.30 | 1.40 | 1.30 | 1.40 | 1.31 | 1.40 | 74,700 |   |  			
            | 12/6/2019 | 0.00 / 0.00% | 1.30 | 1.40 | 1.30 | 1.40 | 1.31 | 1.40 | 36,600 |   |  
            | 12/5/2019 | -0.20 / -12.50% | 1.40 | 1.40 | 1.40 | 1.40 | 1.40 | 1.40 | 8,800 |   |  			
            | 12/4/2019 | 0.00 / 0.00% | 1.60 | 1.60 | 1.60 | 1.60 | 1.60 | 1.60 | 700 |   |  
            | 12/3/2019 | -0.10 / -5.88% | 1.60 | 1.60 | 1.50 | 1.60 | 1.51 | 1.60 | 59,300 |   |  			
            | 12/2/2019 | +0.10 / +6.25% | 1.80 | 1.80 | 1.40 | 1.70 | 1.72 | 1.70 | 151,200 |   |  
            | 11/29/2019 | +0.20 / +14.29% | 1.60 | 1.60 | 1.60 | 1.60 | 1.60 | 1.60 | 63,200 |   |  			
            | 11/28/2019 | +0.10 / +7.69% | 1.40 | 1.40 | 1.40 | 1.40 | 1.40 | 1.40 | 5,200 |   |  
            | 11/27/2019 | 0.00 / 0.00% | 1.30 | 1.30 | 1.30 | 1.30 | 1.30 | 1.30 | 4,600 |   |  			
            | 11/26/2019 | 0.00 / 0.00% | 1.30 | 1.30 | 1.30 | 1.30 | 1.30 | 1.30 | 21,300 |   |  
            | 11/25/2019 | 0.00 / 0.00% | 1.30 | 1.30 | 1.30 | 1.30 | 1.30 | 1.30 | 57,500 |   |  			
            | 11/22/2019 | 0.00 / 0.00% | 1.30 | 1.30 | 1.30 | 1.30 | 1.30 | 1.30 | 28,200 |   |  
            | 11/21/2019 | 0.00 / 0.00% | 1.30 | 1.30 | 1.30 | 1.30 | 1.30 | 1.30 | 38,100 |   |  			
            | 11/20/2019 | 0.00 / 0.00% | 1.30 | 1.30 | 1.30 | 1.30 | 1.30 | 1.30 | 6,000 |   |  
            | 11/19/2019 | 0.00 / 0.00% | 1.30 | 1.30 | 1.30 | 1.30 | 1.30 | 1.30 | 12,900 |   |  			
            | 11/18/2019 | 0.00 / 0.00% | 1.30 | 1.30 | 1.30 | 1.30 | 1.30 | 1.30 | 8,100 |   |  
            | 11/15/2019 | 0.00 / 0.00% | 1.30 | 1.30 | 1.30 | 1.30 | 1.30 | 1.30 | 9,700 |   |  |