| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| Apr 19, 2011 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| Apr 19, 2011 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| Apr 19, 2011 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| Apr 19, 2011 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| Apr 19, 2011 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| Apr 19, 2011 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| Apr 19, 2011 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| Apr 19, 2011 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| Apr 13, 2011 | Additional definitive proxy soliciting materials and Rule 14(a)(12) material |
|
2 | ||
| Apr 08, 2011 | Additional definitive proxy soliciting materials and Rule 14(a)(12) material |
|
2 |