| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 01/05/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 01/03/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 12/20/11 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 12/20/11 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 12/20/11 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 12/19/11 | Statement of changes in beneficial ownership of securities |
|
3 | ||
| 12/15/11 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 12/14/11 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 12/14/11 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 12/09/11 | Statement of changes in beneficial ownership of securities |
|
1 |