| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 10/14/11 | Initial statement of beneficial ownership of securities |
|
1 | ||
| 10/03/11 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 10/03/11 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 10/03/11 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 10/03/11 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 10/03/11 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 08/22/11 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 08/19/11 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 08/15/11 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 08/10/11 | Statement of changes in beneficial ownership of securities |
|
1 |