| Date | Form | Description | Docs | XBRL | Pages |
| 05/21/12 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 05/21/12 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 05/21/12 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 05/21/12 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 05/21/12 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 05/21/12 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 05/21/12 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 05/21/12 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 05/21/12 | 8-K | Current report filing |
|
2 | |
| 05/09/12 | 8-K | Current report filing |
|
7 |
