| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 06/01/12 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 06/01/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 06/01/12 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 06/01/12 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 06/01/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/24/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/24/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/10/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/09/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/08/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |