| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 01/31/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/27/12 | 5 | Annual statement of changes in beneficial ownership of securities |
|
2 | |
| 01/27/12 | 5 | Annual statement of changes in beneficial ownership of securities |
|
2 | |
| 01/27/12 | 5 | Annual statement of changes in beneficial ownership of securities |
|
2 | |
| 01/05/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/20/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/20/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/20/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/20/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/20/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
