| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 05/12/11 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 05/12/11 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 05/12/11 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 05/12/11 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 05/12/11 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 05/12/11 | Statement of changes in beneficial ownership of securities |
|
3 | ||
| 04/19/11 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 01/05/11 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 01/05/11 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 12/21/10 | Statement of changes in beneficial ownership of securities |
|
1 |