| Filed On | Filing |
|---|---|
| 15 Mar 2017 | SABBY 13G DRWI 3.15.17 |
| 12 Jan 2017 | SC 13G |
| 12 Aug 2016 | SC 13G |
| 11 Aug 2016 | SCHEDULE 13G |
| 13 Apr 2016 | SABBY 13G DRWI 4.13.16 |
| 12 Apr 2016 | EMPERY ASSET MANAGEMENT, LP |
| 08 Jan 2016 | SC 13G |
| 02 Jan 2015 | SCHEDULE 13G TEXT |
| 13 Jan 2014 | SC 13G |
| 24 May 2013 | SC 13G |
| 02 Jan 2013 | SC 13G |
| 05 Dec 2012 | SC 13G |
| 27 Jun 2012 | SC 13G |
| 11 Jun 2012 | SCHEDULE 13G |
| 07 Feb 2012 | SC 13G |
| 10 Nov 2009 | SCHEDULE 13G |
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