| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 12/19/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/19/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/05/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 11/30/11 | 4 | Statement of changes in beneficial ownership of securities |
|
3 | |
| 11/17/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 11/03/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 10/28/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 10/19/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 10/05/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 09/15/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
