| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 11/21/11 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 11/16/11 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 11/16/11 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 11/14/11 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 11/10/11 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 11/10/11 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 11/07/11 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 11/03/11 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 11/02/11 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 11/02/11 | Statement of changes in beneficial ownership of securities |
|
1 |