| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 05/10/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/10/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/10/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/02/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/18/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/04/12 | 4 | Statement of changes in beneficial ownership of securities |
|
3 | |
| 04/04/12 | 4 | Statement of changes in beneficial ownership of securities |
|
3 | |
| 04/04/12 | 4 | Statement of changes in beneficial ownership of securities |
|
3 | |
| 04/04/12 | 4 | Statement of changes in beneficial ownership of securities |
|
3 | |
| 04/04/12 | 4 | Statement of changes in beneficial ownership of securities |
|
3 |