| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 01/21/11 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 01/21/11 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 01/21/11 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 01/14/11 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 01/14/11 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 01/14/11 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 01/07/11 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 01/07/11 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 01/07/11 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 11/16/10 | Statement of changes in beneficial ownership of securities |
|
1 |