| 30/06/16 | 08:00:08 | 30 Jun 2016 | | Trading Statement | RNS |
| 19/04/16 | 08:00:06 | 19 Apr 2016 | | Half-year Report | RNS |
| 07/03/16 | 12:54:00 | 7 Mar 2016 | | Director/PDMR Shareholding | RNS |
| 23/02/16 | 15:42:09 | 23 Feb 2016 | | Result of AGM | RNS |
| 23/02/16 | 07:00:05 | 23 Feb 2016 | | Trading Statement | RNS |
| 21/12/15 | 09:47:08 | 21 Dec 2015 | | Notice of AGM | RNS |
| 08/12/15 | 08:26:57 | 8 Dec 2015 | | Preliminary Results | RNS |
| 13/10/15 | 08:00:06 | 13 Oct 2015 | | Pre Close Trading Update | RNS |
| 25/08/15 | 08:00:17 | 25 Aug 2015 | | First Delivery of New Detector Panel and Software | RNS |
| 29/07/15 | 10:15:36 | 29 Jul 2015 | | Grant Award and Related Technology License | RNS |
| 02/06/15 | 08:00:13 | 2 Jun 2015 | | Interim Results | RNS |
| 01/06/15 | 15:36:08 | 1 Jun 2015 | | TR-1: Notification of Major Interest in Shares | RNS |
| 20/05/15 | 09:43:22 | 20 May 2015 | | Holding(s) in Company | RNS |
| 13/04/15 | 08:00:13 | 13 Apr 2015 | | Trading Statement | RNS |
| 10/03/15 | 15:29:41 | 10 Mar 2015 | | Result of AGM | RNS |
| 02/03/15 | 17:15:38 | 2 Mar 2015 | | Holding(s) in Company | RNS |
| 12/02/15 | 15:23:28 | 12 Feb 2015 | | Notice of AGM | RNS |
| 11/02/15 | 07:00:06 | 11 Feb 2015 | | Continued Take Up of Conveyor X-Ray Systems | RNS |
| 10/12/14 | 09:00:01 | 10 Dec 2014 | | Holding(s) in Company | RNS |
| 09/12/14 | 07:01:11 | 9 Dec 2014 | | Launch of new portable generator | RNS |
| 09/12/14 | 07:00:25 | 9 Dec 2014 | | Preliminary Results | RNS |
| 27/11/14 | 09:30:17 | 27 Nov 2014 | | Holding(s) in Company | RNS |
| 29/10/14 | 07:00:13 | 29 Oct 2014 | | Partnership agreement signed with Sectus | RNS |
| 09/10/14 | 08:00:09 | 9 Oct 2014 | | Pre Close Trading Update & Contract Win | RNS |
| 29/09/14 | 09:45:07 | 29 Sept 2014 | | Holding(s) in Company | RNS |
| 24/09/14 | 09:00:02 | 24 Sept 2014 | | Director's Shareholding & Total Voting Rights | RNS |
| 22/09/14 | 08:00:14 | 22 Sept 2014 | | Directorate Change | RNS |
| 17/09/14 | 12:00:02 | 17 Sept 2014 | | Grant of Share Options | RNS |
| 11/09/14 | 16:41:37 | 11 Sept 2014 | | Holding(s) in Company | RNS |
| 10/09/14 | 17:09:04 | 10 Sept 2014 | | Holding(s) in Company | RNS |
| 08/09/14 | 12:15:11 | 8 Sept 2014 | | Result of EGM, Further Issue of Equity | RNS |
| 15/08/14 | 08:00:06 | 15 Aug 2014 | | Replacement: Placing & Subscription & Notice of GM | RNS |
| 14/08/14 | 17:29:34 | 14 Aug 2014 | | Placing and Subscription and Notice of GM | RNS |
| 21/07/14 | 08:00:06 | 21 Jul 2014 | | Supply Agreement | RNS |
| 15/07/14 | 08:00:11 | 15 Jul 2014 | | Contract Wins | RNS |
| 12/06/14 | 08:00:10 | 12 Jun 2014 | | Half Yearly Report | RNS |
| 16/05/14 | 08:00:19 | 16 May 2014 | | Board Changes | RNS |
| 11/04/14 | 12:36:11 | 11 Apr 2014 | | Result of AGM | RNS |
| 08/04/14 | 08:00:08 | 8 Apr 2014 | | Trading Statement | RNS |
| 03/04/14 | 08:00:15 | 3 Apr 2014 | | Holding(s) in Company | RNS |
| 26/03/14 | 12:05:10 | 26 Mar 2014 | | Notice of EGM | RNS |
| 03/03/14 | 18:19:04 | 3 Mar 2014 | | Result of AGM | RNS |
| 13/02/14 | 07:00:27 | 13 Feb 2014 | | Notice of AGM | RNS |
| 11/12/13 | 07:00:06 | 11 Dec 2013 | | Preliminary Results | RNS |
| 10/10/13 | 08:00:07 | 10 Oct 2013 | | Trading Statement | RNS |
| 17/07/13 | 08:00:07 | 17 Jul 2013 | | SIGNIFICANT CONTRACT WINS | RNS |
| 20/06/13 | 08:00:05 | 20 Jun 2013 | | Half Yearly Report | RNS |
| 03/06/13 | 08:00:10 | 3 Jun 2013 | | Contract Win | RNS |
| 07/05/13 | 08:00:14 | 7 May 2013 | | Holding(s) in Company | RNS |
| 16/04/13 | 08:00:08 | 16 Apr 2013 | | Holding(s) in Company | RNS |
