| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/16/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/16/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/14/11 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 02/10/11 | 4 | Statement of changes in beneficial ownership of securities |
|
3 | |
| 02/10/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/09/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/09/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/09/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/08/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/04/11 | 4 | Statement of changes in beneficial ownership of securities |
|
3 |
