| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 12/06/11 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 12/06/11 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 11/17/11 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 11/17/11 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 11/15/11 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 11/10/11 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 11/03/11 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 11/01/11 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 10/27/11 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 10/27/11 | Statement of changes in beneficial ownership of securities |
|
1 |