| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 03/12/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/12/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/12/12 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 03/12/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/07/12 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 03/01/12 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 01/10/12 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 12/14/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 11/15/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 11/15/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
