| 4 | Statement of changes in beneficial ownership of securities | Dec 2, 2011 |  Open Statement of changes in beneficial ownership of securities in HTML. Open Statement of changes in beneficial ownership of securities in DOC file. Open Statement of changes in beneficial ownership of securities in PDF file. Open Statement of changes in beneficial ownership of securities in XLS file. |
| 4 | Statement of changes in beneficial ownership of securities | Nov 30, 2011 | Open Statement of changes in beneficial ownership of securities in HTML.Open Statement of changes in beneficial ownership of securities in DOC file.Open Statement of changes in beneficial ownership of securities in PDF file.Open Statement of changes in beneficial ownership of securities in XLS file. |
| 4 | Statement of changes in beneficial ownership of securities | Nov 23, 2011 | Open Statement of changes in beneficial ownership of securities in HTML.Open Statement of changes in beneficial ownership of securities in DOC file.Open Statement of changes in beneficial ownership of securities in PDF file.Open Statement of changes in beneficial ownership of securities in XLS file. |
| 4 | Statement of changes in beneficial ownership of securities | Nov 22, 2011 | Open Statement of changes in beneficial ownership of securities in HTML.Open Statement of changes in beneficial ownership of securities in DOC file.Open Statement of changes in beneficial ownership of securities in PDF file.Open Statement of changes in beneficial ownership of securities in XLS file. |
| 4 | Statement of changes in beneficial ownership of securities | Nov 16, 2011 | Open Statement of changes in beneficial ownership of securities in HTML.Open Statement of changes in beneficial ownership of securities in DOC file.Open Statement of changes in beneficial ownership of securities in PDF file.Open Statement of changes in beneficial ownership of securities in XLS file. |
| 3 | Initial filing by director officer or owner of more than ten percent. | Nov 16, 2011 | Open Initial filing by director officer or owner of more than ten percent. in HTML.Open Initial filing by director officer or owner of more than ten percent. in DOC file.Open Initial filing by director officer or owner of more than ten percent. in PDF file.Open Initial filing by director officer or owner of more than ten percent. in XLS file. |
| 4 | Statement of changes in beneficial ownership of securities | Oct 21, 2011 | Open Statement of changes in beneficial ownership of securities in HTML.Open Statement of changes in beneficial ownership of securities in DOC file.Open Statement of changes in beneficial ownership of securities in PDF file.Open Statement of changes in beneficial ownership of securities in XLS file. |
| 4 | Statement of changes in beneficial ownership of securities | Oct 21, 2011 | Open Statement of changes in beneficial ownership of securities in HTML.Open Statement of changes in beneficial ownership of securities in DOC file.Open Statement of changes in beneficial ownership of securities in PDF file.Open Statement of changes in beneficial ownership of securities in XLS file. |
| 4 | Statement of changes in beneficial ownership of securities | Oct 21, 2011 | Open Statement of changes in beneficial ownership of securities in HTML.Open Statement of changes in beneficial ownership of securities in DOC file.Open Statement of changes in beneficial ownership of securities in PDF file.Open Statement of changes in beneficial ownership of securities in XLS file. |
| 4 | Statement of changes in beneficial ownership of securities | Oct 21, 2011 | Open Statement of changes in beneficial ownership of securities in HTML.Open Statement of changes in beneficial ownership of securities in DOC file.Open Statement of changes in beneficial ownership of securities in PDF file.Open Statement of changes in beneficial ownership of securities in XLS file. |
| 4 | Statement of changes in beneficial ownership of securities | Oct 21, 2011 | Open Statement of changes in beneficial ownership of securities in HTML.Open Statement of changes in beneficial ownership of securities in DOC file.Open Statement of changes in beneficial ownership of securities in PDF file.Open Statement of changes in beneficial ownership of securities in XLS file. |
| 4 | Statement of changes in beneficial ownership of securities | Oct 21, 2011 | Open Statement of changes in beneficial ownership of securities in HTML.Open Statement of changes in beneficial ownership of securities in DOC file.Open Statement of changes in beneficial ownership of securities in PDF file.Open Statement of changes in beneficial ownership of securities in XLS file. |
| 4 | Statement of changes in beneficial ownership of securities | Oct 5, 2011 | Open Statement of changes in beneficial ownership of securities in HTML.Open Statement of changes in beneficial ownership of securities in DOC file.Open Statement of changes in beneficial ownership of securities in PDF file.Open Statement of changes in beneficial ownership of securities in XLS file. |
| 4 | Statement of changes in beneficial ownership of securities | Jul 6, 2011 | Open Statement of changes in beneficial ownership of securities in HTML.Open Statement of changes in beneficial ownership of securities in DOC file.Open Statement of changes in beneficial ownership of securities in PDF file.Open Statement of changes in beneficial ownership of securities in XLS file. |
| 4 | Statement of changes in beneficial ownership of securities | Jul 6, 2011 | Open Statement of changes in beneficial ownership of securities in HTML.Open Statement of changes in beneficial ownership of securities in DOC file.Open Statement of changes in beneficial ownership of securities in PDF file.Open Statement of changes in beneficial ownership of securities in XLS file. |
| 4 | Statement of changes in beneficial ownership of securities | Jun 3, 2011 | Open Statement of changes in beneficial ownership of securities in HTML.Open Statement of changes in beneficial ownership of securities in DOC file.Open Statement of changes in beneficial ownership of securities in PDF file.Open Statement of changes in beneficial ownership of securities in XLS file. |
| 4 | Statement of changes in beneficial ownership of securities | Mar 29, 2011 | Open Statement of changes in beneficial ownership of securities in HTML.Open Statement of changes in beneficial ownership of securities in DOC file.Open Statement of changes in beneficial ownership of securities in PDF file.Open Statement of changes in beneficial ownership of securities in XLS file. |
| 4 | Statement of changes in beneficial ownership of securities | Mar 23, 2011 | Open Statement of changes in beneficial ownership of securities in HTML.Open Statement of changes in beneficial ownership of securities in DOC file.Open Statement of changes in beneficial ownership of securities in PDF file.Open Statement of changes in beneficial ownership of securities in XLS file. |
| 5 | Annual filing director officer or owner of more than ten percent. | Feb 10, 2011 | Open Annual filing director officer or owner of more than ten percent. in HTML.Open Annual filing director officer or owner of more than ten percent. in DOC file.Open Annual filing director officer or owner of more than ten percent. in PDF file.Open Annual filing director officer or owner of more than ten percent. in XLS file. |
| 5 | Annual filing director officer or owner of more than ten percent. | Feb 10, 2011 | Open Annual filing director officer or owner of more than ten percent. in HTML.Open Annual filing director officer or owner of more than ten percent. in DOC file.Open Annual filing director officer or owner of more than ten percent. in PDF file.Open Annual filing director officer or owner of more than ten percent. in XLS file. |
| 5 | Annual filing director officer or owner of more than ten percent. | Feb 10, 2011 | Open Annual filing director officer or owner of more than ten percent. in HTML.Open Annual filing director officer or owner of more than ten percent. in DOC file.Open Annual filing director officer or owner of more than ten percent. in PDF file.Open Annual filing director officer or owner of more than ten percent. in XLS file. |
| 4/A | Amendment to a previously filed 4 | Feb 10, 2011 | Open Amendment to a previously filed 4 in HTML.Open Amendment to a previously filed 4 in DOC file.Open Amendment to a previously filed 4 in PDF file.Open Amendment to a previously filed 4 in XLS file. |
| 5 | Annual filing director officer or owner of more than ten percent. | Feb 10, 2011 | Open Annual filing director officer or owner of more than ten percent. in HTML.Open Annual filing director officer or owner of more than ten percent. in DOC file.Open Annual filing director officer or owner of more than ten percent. in PDF file.Open Annual filing director officer or owner of more than ten percent. in XLS file. |
| 5 | Annual filing director officer or owner of more than ten percent. | Feb 10, 2011 | Open Annual filing director officer or owner of more than ten percent. in HTML.Open Annual filing director officer or owner of more than ten percent. in DOC file.Open Annual filing director officer or owner of more than ten percent. in PDF file.Open Annual filing director officer or owner of more than ten percent. in XLS file. |
| 5 | Annual filing director officer or owner of more than ten percent. | Feb 10, 2011 | Open Annual filing director officer or owner of more than ten percent. in HTML.Open Annual filing director officer or owner of more than ten percent. in DOC file.Open Annual filing director officer or owner of more than ten percent. in PDF file.Open Annual filing director officer or owner of more than ten percent. in XLS file. |