| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 12/06/11 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 12/06/11 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 12/01/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 11/15/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 11/15/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 11/07/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 11/01/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 10/28/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 10/26/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 10/04/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |