| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 01/24/11 | 4 | Statement of changes in beneficial ownership of securities |
|
3 | |
| 01/24/11 | 4 | Statement of changes in beneficial ownership of securities |
|
3 | |
| 01/24/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/24/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/03/11 | 4 | Statement of changes in beneficial ownership of securities |
|
3 | |
| 01/03/11 | 4 | Statement of changes in beneficial ownership of securities |
|
3 | |
| 01/03/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 11/02/10 | 4 | Statement of changes in beneficial ownership of securities |
|
3 | |
| 08/13/10 | 4 | Statement of changes in beneficial ownership of securities |
|
3 | |
| 05/27/10 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
