| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 11/18/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 11/14/11 | 4/A | Statement of changes in beneficial ownership of securities |
|
2 | |
| 11/14/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 11/10/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 11/08/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 11/02/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 08/15/11 | 3 | Initial statement of beneficial ownership of securities |
|
2 | |
| 06/16/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 06/03/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/18/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |