| 5th Jan 2021 2:00 pm | RNS | Price Monitoring Extension | 
                                                                            
                                            | 23rd Dec 2020 2:06 pm | RNS | Second Price Monitoring Extn | 
                                                                            
                                            | 23rd Dec 2020 2:01 pm | RNS | Price Monitoring Extension | 
                                                                            
                                            | 22nd Dec 2020 2:45 pm | RNS | Final Results for the year ended 30 June 2020 | 
                                                                            
                                            | 4th Dec 2020 4:40 pm | RNS | Second Price Monitoring Extn | 
                                                                            
                                            | 4th Dec 2020 4:35 pm | RNS | Price Monitoring Extension | 
                                                                            
                                            | 4th Dec 2020 2:05 pm | RNS | Second Price Monitoring Extn | 
                                                                            
                                            | 4th Dec 2020 2:00 pm | RNS | Price Monitoring Extension | 
                                                                            
                                            | 4th Dec 2020 12:00 pm | RNS | Resignation of Nomad and Broker and MOU Extension | 
                                                                            
                                            | 27th Oct 2020 2:06 pm | RNS | Second Price Monitoring Extn | 
                                                                            
                                            | 27th Oct 2020 2:00 pm | RNS | Price Monitoring Extension | 
                                                                            
                                            | 16th Oct 2020 4:41 pm | RNS | Second Price Monitoring Extn | 
                                                                            
                                            | 16th Oct 2020 4:35 pm | RNS | Price Monitoring Extension | 
                                                                            
                                            | 16th Oct 2020 2:00 pm | RNS | Price Monitoring Extension | 
                                                                            
                                            | 15th Oct 2020 4:40 pm | RNS | Second Price Monitoring Extn | 
                                                                            
                                            | 15th Oct 2020 4:35 pm | RNS | Price Monitoring Extension | 
                                                                            
                                            | 15th Oct 2020 11:05 am | RNS | Second Price Monitoring Extn | 
                                                                            
                                            | 15th Oct 2020 11:00 am | RNS | Price Monitoring Extension | 
                                                                            
                                            | 15th Oct 2020 9:00 am | RNS | Price Monitoring Extension | 
                                                                            
                                            | 15th Oct 2020 7:00 am | RNS | Framework Agreement with NFC | 
                                                                            
                                            | 28th Sep 2020 1:30 pm | RNS | Holding(s) in Company | 
                                                                            
                                            | 28th Sep 2020 1:30 pm | RNS | Holding(s) in Company | 
                                                                            
                                            | 28th Sep 2020 1:30 pm | RNS | Holding(s) in Company | 
                                                                            
                                            | 2nd Sep 2020 1:30 pm | RNS | Share issue - Consultants | 
                                                                            
                                            | 29th Jun 2020 1:00 pm | RNS | Extension of Consulting Agreement with Dyani | 
                                                                            
                                            | 1st Jun 2020 7:00 am | RNS | Extension of Share Options | 
                                                                            
                                            | 21st May 2020 7:00 am | RNS | Appointment of Non-executive Director | 
                                                                            
                                            | 6th May 2020 9:05 am | RNS | Second Price Monitoring Extn | 
                                                                            
                                            | 6th May 2020 9:00 am | RNS | Price Monitoring Extension | 
                                                                            
                                            | 5th May 2020 4:40 pm | RNS | Second Price Monitoring Extn | 
                                                                            
                                            | 5th May 2020 4:35 pm | RNS | Price Monitoring Extension | 
                                                                            
                                            | 16th Apr 2020 11:05 am | RNS | Second Price Monitoring Extn | 
                                                                            
                                            | 16th Apr 2020 11:00 am | RNS | Price Monitoring Extension | 
                                                                            
                                            | 15th Apr 2020 4:00 pm | RNS | Share Issue | 
                                                                            
                                            | 15th Apr 2020 10:20 am | RNS | Holding(s) in Company | 
                                                                            
                                            | 15th Apr 2020 10:20 am | RNS | Holding(s) in Company | 
                                                                            
                                            | 14th Apr 2020 11:05 am | RNS | Second Price Monitoring Extn | 
                                                                            
                                            | 14th Apr 2020 11:00 am | RNS | Price Monitoring Extension | 
                                                                            
                                            | 14th Apr 2020 7:00 am | RNS | Extension of MOU with NFC and PowerChina | 
                                                                            
                                            | 9th Apr 2020 9:05 am | RNS | Second Price Monitoring Extn |