| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 10/28/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 10/28/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 10/28/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 10/28/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 10/28/11 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 08/01/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 08/01/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/31/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/09/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/05/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
