| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 06/17/11 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 06/17/11 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 06/17/11 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 04/01/11 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 04/01/11 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 12/22/10 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 12/22/10 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 12/22/10 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 12/22/10 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 08/09/10 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
