| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 06/02/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 06/02/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/17/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/07/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/07/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/07/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/07/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/28/10 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/28/10 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/23/10 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
