| 29th Jul 2019 7:00 am | RNS | Directorate Changes | 
                                                                            
                                            | 26th Jul 2019 7:00 am | RNS | Appointment of Nominated Adviser & Broker | 
                                                                            
                                            | 22nd Jul 2019 1:34 pm | RNS | Holding(s) in Company | 
                                                                            
                                            | 10th Jul 2019 12:57 pm | RNS | Result of Annual Meeting | 
                                                                            
                                            | 14th Jun 2019 7:00 am | RNS | Trading Update | 
                                                                            
                                            | 11th Jun 2019 7:00 am | RNS | Block listing Interim Review | 
                                                                            
                                            | 6th Jun 2019 7:00 am | RNS | Issue of Equity | 
                                                                            
                                            | 31st May 2019 1:57 pm | RNS | Annual Financial Report | 
                                                                            
                                            | 13th May 2019 7:00 am | RNS | Final Results for the year ending 31 December 2018 | 
                                                                            
                                            | 28th Mar 2019 7:00 am | RNS | Holding(s) in Company | 
                                                                            
                                            | 15th Mar 2019 7:00 am | RNS | Holding(s) in Company | 
                                                                            
                                            | 15th Mar 2019 7:00 am | RNS | Holding(s) in Company | 
                                                                            
                                            | 13th Mar 2019 7:00 am | RNS | Issue of Equity | 
                                                                            
                                            | 28th Feb 2019 4:54 pm | RNS | Results of Fundraising | 
                                                                            
                                            | 28th Feb 2019 7:00 am | RNS | Proposed $1.8 million Placing | 
                                                                            
                                            | 13th Feb 2019 10:22 am | RNS | Trading Update | 
                                                                            
                                            | 21st Dec 2018 7:00 am | RNS | Holding(s) in Company | 
                                                                            
                                            | 11th Dec 2018 7:15 am | RNS | Directorate Changes | 
                                                                            
                                            | 7th Dec 2018 7:00 am | RNS | Block Admission Interim Update | 
                                                                            
                                            | 29th Nov 2018 7:00 am | RNS | New Project Award and Trading Update | 
                                                                            
                                            | 8th Oct 2018 7:00 am | RNS | New Project Award and Trading Update | 
                                                                            
                                            | 12th Sep 2018 7:00 am | RNS | Half Year Results Statement | 
                                                                            
                                            | 27th Jul 2018 7:00 am | RNS | Contract Extension in Saudi Arabia | 
                                                                            
                                            | 11th Jul 2018 1:16 pm | RNS | Result of Annual Meeting | 
                                                                            
                                            | 7th Jun 2018 4:23 pm | RNS | Block listing Interim Review | 
                                                                            
                                            | 7th Jun 2018 3:42 pm | RNS | Annual Financial Report | 
                                                                            
                                            | 15th May 2018 7:00 am | RNS | Final Results for the year ending 31 December 2017 | 
                                                                            
                                            | 19th Apr 2018 7:00 am | RNS | New Purchase Order Award and Equipment Sale | 
                                                                            
                                            | 13th Apr 2018 10:18 am | RNS | Issue of Equity | 
                                                                            
                                            | 10th Apr 2018 7:00 am | RNS | Purchase Order Award & General Manager Appointment | 
                                                                            
                                            | 28th Mar 2018 12:48 pm | RNS | Holding(s) in Company | 
                                                                            
                                            | 16th Feb 2018 7:00 am | RNS | Issue of Equity | 
                                                                            
                                            | 6th Feb 2018 7:00 am | RNS | Extension of Contract and New Project | 
                                                                            
                                            | 17th Jan 2018 7:00 am | RNS | Trading Update | 
                                                                            
                                            | 7th Dec 2017 9:46 am | RNS | Block listing Interim Review | 
                                                                            
                                            | 3rd Nov 2017 12:39 pm | RNS | Issue of Equity | 
                                                                            
                                            | 26th Oct 2017 7:30 am | RNS | Holding(s) in Company | 
                                                                            
                                            | 9th Oct 2017 7:00 am | RNS | Issue of Equity | 
                                                                            
                                            | 27th Sep 2017 2:44 pm | RNS | Application for Block Admission | 
                                                                            
                                            | 26th Sep 2017 5:31 pm | RNS | Closure of Restricted Stock Line |