| 01/10/14 | 13:30:58 | 1 Oct 2014 | | Total Voting Rights | RNS |
| 30/09/14 | 08:00:45 | 30 Sept 2014 | | Amendment of 2012 Loan Note term | RNS |
| 29/09/14 | 11:52:54 | 29 Sept 2014 | | Holding(s) in Company | RNS |
| 24/09/14 | 14:18:45 | 24 Sept 2014 | | Exercise of Options | RNS |
| 24/09/14 | 13:12:25 | 24 Sept 2014 | | Annual Report and Accounts | RNS |
| 22/09/14 | 08:00:14 | 22 Sept 2014 | | Final Results | RNS |
| 04/09/14 | 08:00:06 | 4 Sept 2014 | | Shareholder update | RNS |
| 24/07/14 | 08:00:23 | 24 Jul 2014 | | Notice of Results and Trading Update | RNS |
| 17/07/14 | 16:10:53 | 17 Jul 2014 | | Holding(s) in Company | RNS |
| 25/04/14 | 08:00:19 | 25 Apr 2014 | | Director/PDMR Shareholding | RNS |
| 17/04/14 | 08:00:05 | 17 Apr 2014 | | Extension of Convertible Loan Note | RNS |
| 02/04/14 | 18:42:37 | 2 Apr 2014 | | Holding(s) in Company | RNS |
| 24/03/14 | 07:00:09 | 24 Mar 2014 | | Half Yearly Report | RNS |
| 17/03/14 | 07:00:16 | 17 Mar 2014 | | Notice of Results | RNS |
| 12/03/14 | 07:00:23 | 12 Mar 2014 | | Shareholder update | RNS |
| 11/02/14 | 15:39:24 | 11 Feb 2014 | | Holding(s) in Company | RNS |
| 14/01/14 | 07:00:17 | 14 Jan 2014 | | Trading Update and Notice of Results | RNS |
| 20/11/13 | 13:19:44 | 20 Nov 2013 | | Result of AGM | RNS |
| 20/11/13 | 07:00:07 | 20 Nov 2013 | | Business and R&D Update | RNS |
| 16/10/13 | 17:21:45 | 16 Oct 2013 | | Annual Report and Accounts | RNS |
| 09/10/13 | 09:48:45 | 9 Oct 2013 | | Notification under AIM Rule Schedule Two (g) | RNS |
| 27/09/13 | 09:33:46 | 27 Sept 2013 | | Change of Adviser | RNS |
| 19/09/13 | 16:51:26 | 19 Sept 2013 | | Holding(s) in Company | RNS |
| 16/09/13 | 08:00:13 | 16 Sept 2013 | | Final Results | RNS |
| 15/08/13 | 08:00:08 | 15 Aug 2013 | | Notice of results and shareholder update | RNS |
| 03/06/13 | 11:23:46 | 3 Jun 2013 | | Holding(s) in Company | RNS |
| 15/05/13 | 11:20:46 | 15 May 2013 | | Grant of Options | RNS |
| 08/05/13 | 11:39:44 | 8 May 2013 | | Holding(s) in Company | RNS |
| 08/05/13 | 11:18:45 | 8 May 2013 | | Holding(s) in Company | RNS |
| 25/03/13 | 07:00:08 | 25 Mar 2013 | | Half Yearly Report | RNS |
| 11/03/13 | 07:00:11 | 11 Mar 2013 | | US patent granted | RNS |
| 11/03/13 | 07:00:11 | 11 Mar 2013 | | Notice of results and shareholder update | RNS |
| 01/02/13 | 09:00:01 | 1 Feb 2013 | | Total Voting Rights | RNS |
| 22/01/13 | 10:41:16 | 22 Jan 2013 | | Exercise of Options | RNS |