| DEFA14A | Additional proxy soliciting materials - definitive | Mar 28, 2013 |  Open Additional proxy soliciting materials - definitive in HTML. Open Additional proxy soliciting materials - definitive in DOC file. Open Additional proxy soliciting materials - definitive in PDF file. Open Additional proxy soliciting materials - definitive in XLS file. |
| DEF 14A | Official notification to shareholders of matters to be brought to a vote ("Proxy") | Mar 28, 2013 | Open Official notification to shareholders of matters to be brought to a vote ("Proxy") in HTML.Open Official notification to shareholders of matters to be brought to a vote ("Proxy") in DOC file.Open Official notification to shareholders of matters to be brought to a vote ("Proxy") in PDF file.Open Official notification to shareholders of matters to be brought to a vote ("Proxy") in XLS file. |
| PRE 14A | A preliminary proxy statement providing notification matters to be brought to a vote | Mar 19, 2013 | Open A preliminary proxy statement providing notification matters to be brought to a vote in HTML.Open A preliminary proxy statement providing notification matters to be brought to a vote in DOC file.Open A preliminary proxy statement providing notification matters to be brought to a vote in PDF file.Open A preliminary proxy statement providing notification matters to be brought to a vote in XLS file. |
| 4 | Statement of changes in beneficial ownership of securities | Mar 13, 2013 | 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 8, 2013 | 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 8, 2013 | 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 8, 2013 | 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 1, 2013 | 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 1, 2013 | 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 | Feb 28, 2013 | 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. |
| 10-K | Annual report which provides a comprehensive overview of the company for the past year | Feb 28, 2013 | Open Annual report which provides a comprehensive overview of the company for the past year in HTML.Open Annual report which provides a comprehensive overview of the company for the past year in DOC file.Open Annual report which provides a comprehensive overview of the company for the past year in PDF file.Open Annual report which provides a comprehensive overview of the company for the past year in XLS file. Open Annual report which provides a comprehensive overview of the company for the past year in XBLR Viewer. Open Annual report which provides a comprehensive overview of the company for the past year in XBLR file. |
| SC 13G/A | Amendment to a previously filed SC 13G | Feb 14, 2013 | Open Amendment to a previously filed SC 13G in HTML.Open Amendment to a previously filed SC 13G in DOC file.Open Amendment to a previously filed SC 13G in PDF file.Open Amendment to a previously filed SC 13G in XLS file. |
| SC 13G/A | Amendment to a previously filed SC 13G | Feb 13, 2013 | Open Amendment to a previously filed SC 13G in HTML.Open Amendment to a previously filed SC 13G in DOC file.Open Amendment to a previously filed SC 13G in PDF file.Open Amendment to a previously filed SC 13G in XLS file. |
| SC 13G/A | Amendment to a previously filed SC 13G | Feb 11, 2013 | Open Amendment to a previously filed SC 13G in HTML.Open Amendment to a previously filed SC 13G in DOC file.Open Amendment to a previously filed SC 13G in PDF file.Open Amendment to a previously filed SC 13G in XLS file. |
| SC 13G/A | Amendment to a previously filed SC 13G | Feb 11, 2013 | Open Amendment to a previously filed SC 13G in HTML.Open Amendment to a previously filed SC 13G in DOC file.Open Amendment to a previously filed SC 13G in PDF file.Open Amendment to a previously filed SC 13G in XLS file. |
| 4 | Statement of changes in beneficial ownership of securities | Feb 8, 2013 | 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 | Feb 8, 2013 | 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. |
| 8-K | Report of unscheduled material events or corporate event | Feb 5, 2013 | Open Report of unscheduled material events or corporate event in HTML.Open Report of unscheduled material events or corporate event in DOC file.Open Report of unscheduled material events or corporate event in PDF file.Open Report of unscheduled material events or corporate event in XLS file. |
| SC 13G/A | Amendment to a previously filed SC 13G | Feb 1, 2013 | Open Amendment to a previously filed SC 13G in HTML.Open Amendment to a previously filed SC 13G in DOC file.Open Amendment to a previously filed SC 13G in PDF file.Open Amendment to a previously filed SC 13G in XLS file. |
| SC 13G/A | Amendment to a previously filed SC 13G | Feb 1, 2013 | Open Amendment to a previously filed SC 13G in HTML.Open Amendment to a previously filed SC 13G in DOC file.Open Amendment to a previously filed SC 13G in PDF file.Open Amendment to a previously filed SC 13G in XLS file. |
| SC 13G/A | Amendment to a previously filed SC 13G | Jan 4, 2013 | Open Amendment to a previously filed SC 13G in HTML.Open Amendment to a previously filed SC 13G in DOC file.Open Amendment to a previously filed SC 13G in PDF file.Open Amendment to a previously filed SC 13G in XLS file. |
