| 
    
        
            | 
                    Closing price on 1/30/2020
                 |  |  
    
        |           
                
                    | Open | 1.80 |  
                    | High | 1.80 |  
                    | Low | 1.70 |  
                    | Volume | 33,500 |  
                    | Split-adjusted Price | 1.70 |  
                
             | 
 |  SDP Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 1/30/2020 | 0.00 / 0.00% | 1.80 | 1.80 | 1.70 | 1.70 | 1.70 | 1.70 | 33,500 |   |  
            | 1/22/2020 | +0.20 / +13.33% | 1.60 | 1.70 | 1.60 | 1.70 | 1.67 | 1.70 | 70,500 |   |  			
            | 1/21/2020 | 0.00 / 0.00% | 1.60 | 1.60 | 1.50 | 1.50 | 1.50 | 1.50 | 28,600 |   |  
            | 1/20/2020 | +0.10 / +7.14% | 1.50 | 1.50 | 1.50 | 1.50 | 1.50 | 1.50 | 20,100 |   |  			
            | 1/17/2020 | 0.00 / 0.00% | 1.50 | 1.50 | 1.40 | 1.40 | 1.40 | 1.40 | 6,100 |   |  
            | 1/16/2020 | 0.00 / 0.00% | 1.40 | 1.50 | 1.40 | 1.40 | 1.47 | 1.40 | 43,500 |   |  			
            | 1/15/2020 | 0.00 / 0.00% | 1.40 | 1.40 | 1.40 | 1.40 | 1.40 | 1.40 | 1,600 |   |  
            | 1/14/2020 | 0.00 / 0.00% | 1.30 | 1.40 | 1.30 | 1.40 | 1.30 | 1.40 | 15,400 |   |  			
            | 1/13/2020 | 0.00 / 0.00% | 1.40 | 1.40 | 1.40 | 1.40 | 1.40 | 1.40 | 3,300 |   |  
            | 1/10/2020 | 0.00 / 0.00% | 1.50 | 1.50 | 1.40 | 1.50 | 1.43 | 1.50 | 39,200 |   |  			
            | 1/9/2020 | +0.10 / +7.14% | 1.50 | 1.60 | 1.40 | 1.50 | 1.50 | 1.50 | 36,200 |   |  
            | 1/8/2020 | 0.00 / 0.00% | 1.50 | 1.50 | 1.40 | 1.40 | 1.41 | 1.40 | 9,100 |   |  			
            | 1/7/2020 | 0.00 / 0.00% | 1.50 | 1.50 | 1.40 | 1.40 | 1.41 | 1.40 | 19,300 |   |  
            | 1/6/2020 | -0.10 / -6.67% | 1.40 | 1.40 | 1.40 | 1.40 | 1.40 | 1.40 | 14,000 |   |  			
            | 1/3/2020 | 0.00 / 0.00% | 1.40 | 1.50 | 1.40 | 1.40 | 1.49 | 1.40 | 23,000 |   |  
            | 1/2/2020 | -0.20 / -12.50% | 1.50 | 1.60 | 1.40 | 1.40 | 1.43 | 1.40 | 4,800 |   |  			
            | 12/31/2019 | -0.20 / -12.50% | 1.50 | 1.60 | 1.40 | 1.40 | 1.57 | 1.40 | 31,300 |   |  
            | 12/30/2019 | +0.10 / +6.67% | 1.40 | 1.60 | 1.40 | 1.60 | 1.48 | 1.60 | 31,600 |   |  			
            | 12/27/2019 | 0.00 / 0.00% | 1.50 | 1.50 | 1.50 | 1.50 | 1.50 | 1.50 | 13,400 |   |  
            | 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 |   |  |