| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/17/11 | 4 | Statement of changes in beneficial ownership of securities |
|
3 | |
| 02/15/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/15/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/11/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/10/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/01/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/01/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/01/11 | 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 |