| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/03/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/20/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/05/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/03/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/22/10 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/22/10 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/21/10 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/21/10 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 11/05/10 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/10/10 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |