| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/14/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/08/12 | 3 | Initial statement of beneficial ownership of securities |
|
2 | |
| 12/06/11 | 4/A | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/05/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 11/30/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 11/29/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 11/28/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 10/28/11 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 10/28/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 10/28/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
