| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 04/14/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/14/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/14/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/14/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/14/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/24/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/20/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/20/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/20/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/20/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
