| 
    
        
            | 
                    Closing price on 5/28/2019
                 |  |  
    
        |           
                
                    | Open | 8.20 |  
                    | High | 8.28 |  
                    | Low | 8.12 |  
                    | Volume | 794,670 |  
                    | Split-adjusted Price | 5.10 |  
                
             | 
 |  IDI Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 5/28/2019 | +0.04 / +0.49% | 8.20 | 8.28 | 8.12 | 8.14 | 8.19 | 5.10 | 794,670 |   |  
            | 5/27/2019 | -0.05 / -0.61% | 8.15 | 8.18 | 8.10 | 8.10 | 8.13 | 5.07 | 294,830 |   |  			
            | 5/24/2019 | -0.18 / -2.16% | 8.28 | 8.31 | 8.15 | 8.15 | 8.22 | 5.11 | 451,810 |   |  
            | 5/23/2019 | +0.24 / +2.97% | 8.10 | 8.39 | 8.08 | 8.33 | 8.16 | 5.22 | 602,170 |   |  			
            | 5/22/2019 | 0.00 / 0.00% | 8.10 | 8.16 | 8.09 | 8.09 | 8.11 | 5.07 | 481,370 |   |  
            | 5/21/2019 | -0.03 / -0.37% | 8.14 | 8.18 | 8.08 | 8.09 | 8.11 | 5.07 | 669,530 |   |  			
            | 5/20/2019 | -0.04 / -0.49% | 8.16 | 8.16 | 8.07 | 8.12 | 8.11 | 5.09 | 727,450 |   |  
            | 5/17/2019 | -0.11 / -1.33% | 8.27 | 8.27 | 8.15 | 8.16 | 8.18 | 5.11 | 744,790 |   |  			
            | 5/16/2019 | -0.13 / -1.55% | 8.40 | 8.40 | 8.25 | 8.27 | 8.32 | 5.18 | 961,830 |   |  
            | 5/15/2019 | +0.04 / +0.48% | 8.33 | 8.55 | 8.33 | 8.40 | 8.40 | 5.26 | 848,920 |   |  			
            | 5/14/2019 | -0.05 / -0.59% | 8.31 | 8.40 | 8.25 | 8.36 | 8.33 | 5.24 | 393,540 |   |  
            | 5/13/2019 | +0.28 / +3.44% | 8.12 | 8.59 | 8.10 | 8.41 | 8.37 | 5.27 | 1,416,320 |   |  			
            | 5/10/2019 | +0.25 / +3.17% | 7.95 | 8.17 | 7.92 | 8.13 | 8.04 | 5.09 | 853,390 |   |  
            | 5/9/2019 | -0.11 / -1.38% | 8.00 | 8.00 | 7.88 | 7.88 | 7.94 | 4.94 | 579,860 |   |  			
            | 5/8/2019 | -0.16 / -1.96% | 8.05 | 8.05 | 7.95 | 7.99 | 8.01 | 5.00 | 768,240 |   |  
            | 5/7/2019 | -0.11 / -1.33% | 8.26 | 8.33 | 8.09 | 8.15 | 8.16 | 5.11 | 765,200 |   |  			
            | 5/6/2019 | -0.19 / -2.25% | 8.39 | 8.39 | 8.14 | 8.26 | 8.21 | 5.17 | 1,200,010 |   |  
            | 5/3/2019 | -0.14 / -1.63% | 8.55 | 8.58 | 8.45 | 8.45 | 8.50 | 5.29 | 841,140 |   |  			
            | 5/2/2019 | -0.02 / -0.23% | 8.71 | 8.75 | 8.54 | 8.59 | 8.63 | 5.38 | 1,237,720 |   |  
            | 4/26/2019 | +0.06 / +0.70% | 8.64 | 8.69 | 8.55 | 8.61 | 8.61 | 5.39 | 902,850 |   |  			
            | 4/25/2019 | -0.18 / -2.06% | 8.74 | 8.79 | 8.51 | 8.55 | 8.60 | 5.36 | 627,370 |   |  
            | 4/24/2019 | +0.13 / +1.51% | 8.60 | 8.74 | 8.60 | 8.73 | 8.68 | 5.47 | 802,510 |   |  			
            | 4/23/2019 | +0.12 / +1.42% | 8.50 | 8.63 | 8.50 | 8.60 | 8.57 | 5.39 | 621,730 |   |  
            | 4/22/2019 | -0.23 / -2.64% | 8.79 | 8.79 | 8.48 | 8.48 | 8.57 | 5.31 | 896,730 |   |  			
            | 4/19/2019 | +0.03 / +0.35% | 8.70 | 8.85 | 8.68 | 8.71 | 8.76 | 5.46 | 663,480 |   |  
            | 4/18/2019 | -0.07 / -0.80% | 8.71 | 8.94 | 8.61 | 8.68 | 8.76 | 5.44 | 1,168,520 |   |  			
            | 4/17/2019 | +0.30 / +3.55% | 8.62 | 8.83 | 8.62 | 8.75 | 8.76 | 5.48 | 1,091,540 |   |  
            | 4/16/2019 | -0.20 / -2.31% | 8.58 | 8.60 | 8.43 | 8.45 | 8.52 | 5.29 | 1,213,130 |   |  			
            | 4/12/2019 | -0.18 / -2.04% | 8.84 | 8.84 | 8.56 | 8.65 | 8.68 | 5.42 | 834,770 |   |  
            | 4/11/2019 | +0.28 / +3.27% | 8.70 | 8.99 | 8.70 | 8.83 | 8.85 | 5.53 | 1,201,990 |   |  |