| 
    
        
            | 
                    Closing price on 9/18/2019
                 |  |  
    
        |           
                
                    | Open | 1.40 |  
                    | High | 1.40 |  
                    | Low | 1.30 |  
                    | Volume | 10,700 |  
                    | Split-adjusted Price | 1.40 |  
                
             | 
 |  SDP Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 9/18/2019 | +0.10 / +7.69% | 1.40 | 1.40 | 1.30 | 1.40 | 1.33 | 1.40 | 10,700 |   |  
            | 9/17/2019 | -0.10 / -7.14% | 1.40 | 1.40 | 1.30 | 1.30 | 1.39 | 1.30 | 6,900 |   |  			
            | 9/16/2019 | 0.00 / 0.00% | 1.40 | 1.40 | 1.40 | 1.40 | 1.40 | 1.40 | 15,800 |   |  
            | 9/13/2019 | -0.10 / -7.14% | 1.40 | 1.40 | 1.30 | 1.30 | 1.37 | 1.30 | 27,000 |   |  			
            | 9/12/2019 | -0.10 / -6.67% | 1.30 | 1.40 | 1.30 | 1.40 | 1.35 | 1.40 | 54,300 |   |  
            | 9/11/2019 | -0.20 / -11.76% | 1.50 | 1.50 | 1.50 | 1.50 | 1.50 | 1.50 | 6,300 |   |  			
            | 9/10/2019 | -0.10 / -5.56% | 1.70 | 1.70 | 1.70 | 1.70 | 1.70 | 1.70 | 12,200 |   |  
            | 9/9/2019 | +0.20 / +12.50% | 1.80 | 1.80 | 1.80 | 1.80 | 1.80 | 1.80 | 85,500 |   |  			
            | 9/6/2019 | +0.20 / +14.29% | 1.60 | 1.60 | 1.60 | 1.60 | 1.60 | 1.60 | 85,800 |   |  
            | 9/5/2019 | +0.10 / +7.69% | 1.40 | 1.40 | 1.40 | 1.40 | 1.40 | 1.40 | 15,800 |   |  			
            | 9/4/2019 | 0.00 / 0.00% | 1.30 | 1.30 | 1.30 | 1.30 | 1.30 | 1.30 | 11,900 |   |  
            | 9/3/2019 | 0.00 / 0.00% | 1.30 | 1.30 | 1.30 | 1.30 | 1.30 | 1.30 | 11,500 |   |  			
            | 8/30/2019 | -0.10 / -7.14% | 1.30 | 1.30 | 1.30 | 1.30 | 1.30 | 1.30 | 47,800 |   |  
            | 8/29/2019 | 0.00 / 0.00% | 1.30 | 1.40 | 1.30 | 1.40 | 1.40 | 1.40 | 5,200 |   |  			
            | 8/28/2019 | 0.00 / 0.00% | 1.40 | 1.40 | 1.40 | 1.40 | 1.40 | 1.40 | 4,000 |   |  
            | 8/27/2019 | +0.10 / +7.69% | 1.30 | 1.40 | 1.30 | 1.40 | 1.38 | 1.40 | 34,700 |   |  			
            | 8/26/2019 | 0.00 / 0.00% | 1.30 | 1.30 | 1.30 | 1.30 | 1.30 | 1.30 | 9,600 |   |  
            | 8/23/2019 | 0.00 / 0.00% | 1.30 | 1.30 | 1.30 | 1.30 | 1.30 | 1.30 | 1,400 |   |  			
            | 8/22/2019 | 0.00 / 0.00% | 1.30 | 1.30 | 1.30 | 1.30 | 1.30 | 1.30 | 10,000 |   |  
            | 8/21/2019 | 0.00 / 0.00% | 1.30 | 1.30 | 1.30 | 1.30 | 1.30 | 1.30 | 11,500 |   |  			
            | 8/20/2019 | 0.00 / 0.00% | 1.30 | 1.30 | 1.30 | 1.30 | 1.30 | 1.30 | 29,700 |   |  
            | 8/19/2019 | 0.00 / 0.00% | 1.30 | 1.30 | 1.30 | 1.30 | 1.30 | 1.30 | 12,300 |   |  			
            | 8/16/2019 | 0.00 / 0.00% | 1.30 | 1.30 | 1.30 | 1.30 | 1.30 | 1.30 | 7,800 |   |  
            | 8/15/2019 | 0.00 / 0.00% | 1.30 | 1.30 | 1.30 | 1.30 | 1.30 | 1.30 | 12,000 |   |  			
            | 8/14/2019 | -0.10 / -7.14% | 1.30 | 1.30 | 1.30 | 1.30 | 1.30 | 1.30 | 3,300 |   |  
            | 8/13/2019 | 0.00 / 0.00% | 1.30 | 1.40 | 1.30 | 1.40 | 1.38 | 1.40 | 23,700 |   |  			
            | 8/12/2019 | 0.00 / 0.00% | 1.30 | 1.40 | 1.30 | 1.40 | 1.39 | 1.40 | 800 |   |  
            | 8/9/2019 | 0.00 / 0.00% | 1.40 | 1.40 | 1.40 | 1.40 | 1.40 | 1.40 | 11,700 |   |  			
            | 8/8/2019 | 0.00 / 0.00% | 1.50 | 1.50 | 1.40 | 1.40 | 1.49 | 1.40 | 10,300 |   |  
            | 8/7/2019 | 0.00 / 0.00% | 1.40 | 1.40 | 1.40 | 1.40 | 1.40 | 1.40 | 11,700 |   |  |