| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/25/11 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 02/14/11 | Annual statement of changes in beneficial ownership of securities |
|
1 | ||
| 02/14/11 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 02/14/11 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 02/09/11 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 01/05/11 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 01/05/11 | Initial statement of beneficial ownership of securities |
|
1 | ||
| 01/04/11 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 01/04/11 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 01/04/11 | Statement of changes in beneficial ownership of securities |
|
1 |