| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/23/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/11/11 | 4 | Statement of changes in beneficial ownership of securities |
|
3 | |
| 02/09/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/07/11 | 4 | Statement of changes in beneficial ownership of securities |
|
3 | |
| 02/07/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/25/11 | 4 | Statement of changes in beneficial ownership of securities |
|
3 | |
| 01/20/11 | 4 | Statement of changes in beneficial ownership of securities |
|
3 | |
| 01/14/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/10/11 | 4 | Statement of changes in beneficial ownership of securities |
|
3 | |
| 01/04/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
