| S-3 | Simplified registration form | Apr 10, 2013 |  Open Simplified registration form in HTML. Open Simplified registration form in DOC file. Open Simplified registration form in PDF file. Open Simplified registration form in XLS file. |
| 424B5 | Form of prospectus disclosing information facts events covered in both forms 424B2 424B3 | Apr 10, 2013 | Open Form of prospectus disclosing information facts events covered in both forms 424B2 424B3 in HTML.Open Form of prospectus disclosing information facts events covered in both forms 424B2 424B3 in DOC file.Open Form of prospectus disclosing information facts events covered in both forms 424B2 424B3 in PDF file.Open Form of prospectus disclosing information facts events covered in both forms 424B2 424B3 in XLS file. |
| S-8 | Securities offered to employees pursuant to employee benefit plans | Mar 13, 2013 | Open Securities offered to employees pursuant to employee benefit plans in HTML.Open Securities offered to employees pursuant to employee benefit plans in DOC file.Open Securities offered to employees pursuant to employee benefit plans in PDF file.Open Securities offered to employees pursuant to employee benefit plans in XLS file. |
