| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 11/23/11 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 09/20/11 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 09/20/11 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 09/20/11 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 09/20/11 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 09/20/11 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 09/20/11 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 09/20/11 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 08/03/11 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 06/23/11 | Statement of changes in beneficial ownership of securities |
|
1 |