| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 10/25/11 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 10/25/11 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 08/31/11 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 08/22/11 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 08/16/11 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 08/15/11 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 08/11/11 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 08/11/11 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 08/09/11 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 08/08/11 | Statement of changes in beneficial ownership of securities |
|
2 |