| 10-K | Annual report which provides a comprehensive overview of the company for the past year | Dec 31, 2012 |  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. |
| 8-K | Report of unscheduled material events or corporate event | Dec 20, 2012 | 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. |
| 8-K | Report of unscheduled material events or corporate event | Nov 29, 2012 | 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. |
| 3 | Initial filing by director officer or owner of more than ten percent. | Nov 21, 2012 | 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. |
| 8-K | Report of unscheduled material events or corporate event | Nov 21, 2012 | 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. |
| 8-K | Report of unscheduled material events or corporate event | Nov 15, 2012 | 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. |
| 8-K | Report of unscheduled material events or corporate event | Oct 26, 2012 | 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. |
| 8-K | Report of unscheduled material events or corporate event | Oct 16, 2012 | 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. |
| 8-K | Report of unscheduled material events or corporate event | Oct 10, 2012 | 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. |
| 3 | Initial filing by director officer or owner of more than ten percent. | Sep 12, 2012 | 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. |
| 8-K | Report of unscheduled material events or corporate event | Sep 10, 2012 | 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. |
| 8-K | Report of unscheduled material events or corporate event | Aug 24, 2012 | 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. |
| 8-K | Report of unscheduled material events or corporate event | Aug 10, 2012 | 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. |
| 10-Q | Quarterly report which provides a continuing view of a company's financial position | Aug 9, 2012 | Open Quarterly report which provides a continuing view of a company's financial position in HTML.Open Quarterly report which provides a continuing view of a company's financial position in DOC file.Open Quarterly report which provides a continuing view of a company's financial position in PDF file.Open Quarterly report which provides a continuing view of a company's financial position in XLS file.Open Quarterly report which provides a continuing view of a company's financial position in XBLR Viewer.Open Quarterly report which provides a continuing view of a company's financial position in XBLR file. |
| 8-K | Report of unscheduled material events or corporate event | May 29, 2012 | 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. |
| 10-Q | Quarterly report which provides a continuing view of a company's financial position | May 10, 2012 | Open Quarterly report which provides a continuing view of a company's financial position in HTML.Open Quarterly report which provides a continuing view of a company's financial position in DOC file.Open Quarterly report which provides a continuing view of a company's financial position in PDF file.Open Quarterly report which provides a continuing view of a company's financial position in XLS file.Open Quarterly report which provides a continuing view of a company's financial position in XBLR Viewer.Open Quarterly report which provides a continuing view of a company's financial position in XBLR file. |
| 8-K | Report of unscheduled material events or corporate event | May 7, 2012 | 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. |
| 8-K | Report of unscheduled material events or corporate event | Mar 14, 2012 | 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. |
| ARS | An annual report to security holders. | Mar 12, 2012 | Open An annual report to security holders. in HTML.Open An annual report to security holders. in DOC file.Open An annual report to security holders. in PDF file.Open An annual report to security holders. in XLS file. |
| 10-Q | Quarterly report which provides a continuing view of a company's financial position | Feb 8, 2012 | Open Quarterly report which provides a continuing view of a company's financial position in HTML.Open Quarterly report which provides a continuing view of a company's financial position in DOC file.Open Quarterly report which provides a continuing view of a company's financial position in PDF file.Open Quarterly report which provides a continuing view of a company's financial position in XLS file.Open Quarterly report which provides a continuing view of a company's financial position in XBLR Viewer.Open Quarterly report which provides a continuing view of a company's financial position in XBLR file. |
| 8-K | Report of unscheduled material events or corporate event | Feb 7, 2012 | 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. |
| DEFA14A | Additional proxy soliciting materials - definitive | Jan 30, 2012 | 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") | Jan 30, 2012 | 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. |