| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 04/21/11 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 04/21/11 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 04/21/11 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 04/04/11 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 04/04/11 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 01/21/11 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 01/21/11 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 01/21/11 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 01/21/11 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 01/04/11 | Statement of changes in beneficial ownership of securities |
|
2 |