| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/15/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/15/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/15/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/14/12 | 4 | Statement of changes in beneficial ownership of securities |
|
3 | |
| 02/13/12 | 4 | Statement of changes in beneficial ownership of securities |
|
3 | |
| 02/13/12 | 4 | Statement of changes in beneficial ownership of securities |
|
3 | |
| 02/13/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/13/12 | 4 | Statement of changes in beneficial ownership of securities |
|
3 | |
| 02/13/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/13/12 | 4 | Statement of changes in beneficial ownership of securities |
|
3 |
