| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 08/15/11 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 08/11/11 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 08/08/11 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 08/08/11 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 08/08/11 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 08/02/11 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 08/01/11 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 06/16/11 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 06/14/11 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 05/26/11 | Statement of changes in beneficial ownership of securities |
|
1 |