| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 03/07/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/07/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/07/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/05/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/05/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/27/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/27/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/27/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/27/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/21/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
