| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 06/01/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 06/01/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/05/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/14/10 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 09/13/10 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 06/11/10 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 06/11/10 | 4 | Statement of changes in beneficial ownership of securities |
|
3 | |
| 06/01/10 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 06/01/10 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/14/09 | 4 | Statement of changes in beneficial ownership of securities |
|
3 |
