| 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 | ||
| 10/25/11 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 10/25/11 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 09/27/11 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 09/22/11 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 09/09/11 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 08/30/11 | Initial statement of beneficial ownership of securities |
|
1 | ||
| 08/30/11 | Initial statement of beneficial ownership of securities |
|
1 | ||
| 08/29/11 | Statement of changes in beneficial ownership of securities |
|
2 |