Disclosure Of Cash Flow Statement [Text Block]
| Concept | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | As at 2023-03-31 | 
|---|---|---|---|---|---|
| Disclosure of cash flow statement [text block] | — |  | — | — | — | 
| Description of accounting policy for determining components of cash and cash equivalents [text block] | — |  | — | — | — | 
| Cash and cash equivalents if different from statement of financial position [abstract] | |||||
| Cash and cash equivalents | 
                                                24,258,000
                                                
                                                    
                                                        GBP
                                                    
                                                
                                             | — | — | 
                                                20, 8 8 4
                                                
                                                    
                                                        GBP
                                                    
                                                
                                             | 
                                                31, 798
                                                
                                                    
                                                        GBP
                                                    
                                                
                                             | 
| Income taxes paid (refund) [abstract] | |||||
| Income taxes paid (refund), classified as operating activities | — | 
                                                2 ,1 6  8
                                                
                                                    
                                                        GBP
                                                    
                                                
                                             | 
                                                3, 335
                                                
                                                    
                                                        GBP
                                                    
                                                
                                             | — | — |