| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 11/23/11 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 11/21/11 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 10/24/11 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 10/21/11 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 10/21/11 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 10/21/11 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 10/03/11 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 10/03/11 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 08/09/11 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 07/21/11 | Statement of changes in beneficial ownership of securities |
|
2 |