| Mar 2020 | Interface  Financial  Services Ltd | 170,196 | 3.94% | 0 | 0.00% | 0 | 0.00% | 
                    
                        
                            
                                
                                    |  |  |  | 
                                
                        
                        
                            | Dec 2019 | Interface  Financial  Services Ltd | 170,196 | 3.94% | 0 | 0.00% | 0 | 0.00% | 
                    
                        
                            
                                
                                    |  |  |  | 
                                
                        
                        
                            | Sep 2019 | Interface  Financial  Services Ltd | 170,196 | 3.94% | 0 | 0.00% | 0 | 0.00% | 
                    
                        
                            
                                
                                    |  |  |  | 
                                
                        
                        
                            | Jun 2019 | Interface  Financial  Services Ltd | 170,196 | 3.94% | 0 | 0.00% | 0 | 0.00% | 
                    
                        
                            
                                
                                    |  |  |  | 
                                
                        
                        
                            | Mar 2019 | Interface  Financial  Services Ltd | 170,196 | 3.94% | 0 | 0.00% | 0 | 0.00% | 
                    
                        
                            
                                
                                    |  |  |  | 
                                
                        
                        
                            | Dec 2018 | Interface  Financial  Services Ltd | 170,396 | 3.94% | 0 | 0.00% | 0 | 0.00% | 
                    
                        
                            
                                
                                    |  |  |  | 
                                
                        
                        
                            | Sep 2018 | Interface  Financial  Services Ltd | 170,996 | 3.95% | 0 | 0.00% | 0 | 0.00% |