| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 06/11/12 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 06/11/12 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 05/10/12 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 05/08/12 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 02/24/12 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 02/24/12 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 02/24/12 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 02/24/12 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 02/24/12 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 06/13/11 | 4 | Statement of changes in beneficial ownership of securities |
|
1 |
