| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 08/11/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 08/11/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 08/08/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 06/07/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 06/02/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/27/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/04/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/24/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/04/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/04/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
