| Date | Form | Description | Docs | XBRL | Pages |
| 01/06/12 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 01/06/12 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 01/05/12 | 3 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/05/12 | 3 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/05/12 | 3 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/05/12 | 3 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/07/11 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 12/07/11 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 12/07/11 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 12/07/11 | 4 | Statement of changes in beneficial ownership of securities |
|
1 |