| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 01/04/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 11/14/11 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 11/02/11 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 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 |