| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 04/04/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/04/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/04/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/04/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/04/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/19/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/14/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/09/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/09/12 | 4 | Statement of changes in beneficial ownership of securities |
|
4 | |
| 03/08/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |